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POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

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Page 1: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

Page 2: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

Page 3: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 31224

Set both problems up using the long division format…numerator goes inside, denominator goes outside.

Page 4: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 31224

Starting with the problem on the right, how many 24’s will dill divide 31 without going over ?

?

Page 5: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 31224

Starting with the problem on the right, how many 24’s will dill divide 31 without going over ?

1…

1

Page 6: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 31224

You then multiply 1 x 24 and place it under the 31, and subtract.

1

- 24

7

Page 7: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 31224

For our algebra problem, we will always divide the first term of the numerator ( inside ) by the first term of the denominator ( outside).

1

- 24

7

xx

x2

2 2

Page 8: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 31224

That answer will fill in the first part of our answer.

1

- 24

7

xx

x2

2 2

x2

Page 9: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 31224

Then you multiply that result by the outside...

1

- 24

7

x2

xxxx 6232 2

Page 10: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 31224

That result is subtracted just like the long division with numbers problem…...

1

- 24

7

x2

xxxx 6232 2

xx 62 2

Page 11: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 31224

Here is where we must be careful !!!

1

- 24

7

x2

xx 62 2

Page 12: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 31224

Here is where we must be careful !!!

The first terms will always subtract to be zero.

1

- 24

7

x2

xx 62 2

022 22 xx

Page 13: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 31224

Here is where we must be careful !!!

The first terms will always subtract to be zero.

Then, you have a double negative sign when subtracting the next two terms…

1

- 24

7

x2

xx 62 2

022 22 xx

xxxxx 766

x7

Page 14: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 312241

- 24

72

x2

xx 62 2

217 x

Bring down the next term in both…

Page 15: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 312241

- 24

72

x2

xx 62 2

217 x

How many 24’s divide 72 ?

Page 16: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 3122413

- 24

72

x2

xx 62 2

217 x

How many 24’s divide 72 ?

3…

Page 17: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 3122413

- 24

72

x2

xx 62 2

217 x

Multiply and subtract…

- 72

0

Page 18: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 3122413

- 24

72

x2

xx 62 2

217 x

Divide the first term of the new expression, by the first term of the outside…

- 72

0

77

x

x

Page 19: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 3122413

- 24

72

72 x

xx 62 2

217 x

That result is the next part of the answer…

- 72

0

77

x

x

Page 20: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 3122413

- 24

72

72 x

xx 62 2

217 x

Multiply that result by the outside…

- 72

0

21737 xx

Page 21: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 3122413

- 24

72

72 x

xx 62 2

217 x

And place the result under the last expression and subtract…

- 72

0

21737 xx

217 x

Page 22: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 :

3

212 2

x

xx

24

312

2123 2 xxx 3122413

- 24

72

72 x

xx 62 2

217 x

You should get the same expression. A double line shows no remainder

- 72

0217 x

Page 23: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at how they compare to each other.

EXAMPLE # 1 : 723

212 2

x

x

xx

2123 2 xxx

72 x

xx 62 2

217 x

You should get the same expression. A double line shows no remainder

217 x

Page 24: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 :

52

254 2

x

x

Page 25: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 :

52

254 2

x

x

250452 2 xxx

All expressions should be written in descending order. The expression in our numerator is missing the x1 term. Since it holds place value like a zero in the number 105, we need to show it as “0x” when doing our division

Page 26: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 :

52

254 2

x

x

250452 2 xxx

Again we will begin by dividing the first term inside by the first term outside…

xx

x2

2

4 2

Page 27: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 :

52

254 2

x

x

250452 2 xxx

This result is the first part of our answer… x

x

x2

2

4 2

x2

Page 28: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 :

52

254 2

x

x

250452 2 xxx

Multiply that result by the outside…

xxxx 104522 2

x2

Page 29: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 :

52

254 2

x

x

250452 2 xxx

Multiply that result by the outside…and subtract

xxxx 104522 2

x2

xx 104 2

Page 30: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 :

52

254 2

x

x

250452 2 xxx

Again, it is

x2

xx 104 2

xxx 10100

x10

Page 31: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 :

52

254 2

x

x

250452 2 xxx

Bring down the next term…

x2

xx 104 2

2510 x

Page 32: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 :

52

254 2

x

x

250452 2 xxx

Divide the new first term by the outside first term…

x2

xx 104 2

2510 x

52

10

x

x

Page 33: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 :

52

254 2

x

x

250452 2 xxx

Divide the new first term by the outside first term…and place it in the answer

52 x

xx 104 2

2510 x

52

10

x

x

Page 34: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 :

52

254 2

x

x

250452 2 xxx

Multiply…

52 x

xx 104 2

2510 x

2510525 xx

Page 35: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 :

52

254 2

x

x

250452 2 xxx

Multiply…and subtract

52 x

xx 104 2

2510 x

2510525 xx

2510 x

Page 36: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Let’s try another…

EXAMPLE # 2 : 5252

254 2

xx

x

250452 2 xxx52 x

xx 104 2

2510 x2510 x

Page 37: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 :

1

4653 23

x

xxx

Page 38: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 :

1

4653 23

x

xxx

46531 23 xxxx

Page 39: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 :

1

4653 23

x

xxx

46531 23 xxxx2

3

33

xx

x

23x

Page 40: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 :

1

4653 23

x

xxx

46531 23 xxxx

23x

232 3313 xxxx 23 33 xx

Page 41: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 :

1

4653 23

x

xxx

46531 23 xxxx

23x

22222 23535 xxxxx

23 33 xx 22x

Page 42: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 :

1

4653 23

x

xxx

46531 23 xxxx

23x

23 33 xx

xx 62 2

Page 43: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 :

1

4653 23

x

xxx

46531 23 xxxx

xx 23 2

23 33 xx

xx 62 2 xx

x2

2 2

Page 44: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 :

1

4653 23

x

xxx

46531 23 xxxx

xx 23 2

23 33 xx

xx 62 2 xxxx 2212 2 xx 22 2

Page 45: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 :

1

4653 23

x

xxx

46531 23 xxxx

xx 23 2

23 33 xx

xx 62 2

xxx 426

xx 22 2

x4

Page 46: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 :

1

4653 23

x

xxx

46531 23 xxxx

xx 23 2

23 33 xx

xx 62 2 xx 22 2

44 x

Page 47: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 :

1

4653 23

x

xxx

46531 23 xxxx

423 2 xx

23 33 xx

xx 62 2 xx 22 2

44 x 44

x

x

Page 48: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 :

1

4653 23

x

xxx

46531 23 xxxx

423 2 xx

23 33 xx

xx 62 2 xx 22 2

44 x44 x

Page 49: POLYNOMIALS – Dividing By a Binomial Dividing a polynomial by a binomial is similar to long division with numbers. In the first example, we’ll look at

POLYNOMIALS – Dividing By a Binomial

Sometimes there are more than three terms in our numerator. Just keep dividing any remainder’s first term by the outside’s first term

EXAMPLE # 1 : 4231

4653 223

xx

x

xxx

46531 23 xxxx

423 2 xx

23 33 xx

xx 62 2 xx 22 2

44 x44 x