Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 3 - Quadratic Functions - Exercises for Skills for Factoring - Page 135: 52



Work Step by Step

Factoring the expression completely, we find: $$ \left(a^2+3\right)\left(a^2-4\right) $$ We recognize the difference of two squares: $$\left(a^2+3\right)\left(a+2\right)\left(a-2\right)$$
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