Warm-up: Simplify.
1. (a+6)(a-3)2. (3w+7)(2w +5)3. (2y+3)(y2+3y-6)4. (2b2-5b-3)(5b2+3b-2)
Answers
1. a2+3a-182. 6w2+29w+353. 2y3+9y2-3y-184. 10b4-19b3-34b2+b+6
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