Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 5 - Section 5.6 - Factoring Trinomials - Exercise Set - Page 304: 90

Answer

$x^2-16$

Work Step by Step

Using $ (a-b)(a+b)=a^2-b^2 $, then, \begin{align*} (x-4)(x+4) \Rightarrow x^2-4^2 \\= x^2-16 .\end{align*}
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