0Name:

Topic:

Main Ideas/Questjons

SOLVING

QUADRATICS

By ractorinq

Date:

Class:

NoiesJExamples

In many cases, we can find the solutions (or roots, zeros, x-intercepfs)Of a quadratic equation by factoring, rather than graphing. Follow the

steps below to find the solutions of the given equation by factoring.

O Set the quadratic equation equal io 0.Given: y = x2 + 3x—10

O Factor the left side,

oSet each factor equal to 0 andsolve each factor for x.

O Write your answer using curly braces.

Directions: Solve the 'following quadratic equations byfacforing.

YOUlox2+4x+3=o

2.

30 10x+ 21 = o

6.e-gx=o

x2 -x- 20 = o