McGraw Hill Integrated II, 2012
MH
McGraw Hill Integrated II, 2012 View details
1. Graphing Quadratic Functions
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Exercise 84 Page 103

Recall the difference of squares.

(3+2a)(3-2a)

Practice makes perfect
Let's consider the given expression. 9-4a^2 We will use the difference of squares rule to factor this polynomial.
9-4a^2
3^2-(2a)^2
(3+2a)(3-2a)