Answer
\[4{{x}^{2}}+16x+15=\left( 2x+3 \right)\left( 2x+5 \right)\]
Work Step by Step
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 6 - Algebra: Equations and Inequalities - 6.5 Quadratic Equations - Exercise Set 6.5 - Page 399: 31
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