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McGraw Hill Integrated II, 2012 View details

1. Solving Quadratic Equations by Factoring

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Exercise 71 Page 176

Try to group terms with common factors.

2(3a+8b)(3-4y)

Practice makes perfect

To factor given polynomial, we will start by grouping terms with common factors. 18 a-24 ay+48 b-64 by ⇕ (18a-24ay)+(48b-64by) Now, we can factor out a greatest common factor - GCF - from each group of terms. Let's do it!

(18a-24ay)+(48b-64by)

FactorOut

Factor out 6a

6a(3-4y)+48b-64by

FactorOut

Factor out 16b

6a(3-4y)+16b(3-4y)

FactorOut

Factor out (3-4y)

(6a+16b)(3-4y)

FactorOut

Factor out 2