McGraw Hill Integrated II, 2012
MH
McGraw Hill Integrated II, 2012 View details
1. Graphing Quadratic Functions
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Exercise 85 Page 103

b^2-4b-21

Practice makes perfect

We want to simplify the expression by multiplying the binomials. To do so, we will apply the Distributive Property.

(b-7)(b+3)
b(b+3)-7(b+3)
b^2+3b-7(b+3)
b^2+3b-7b-21
b^2-4b-21