Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter R - Algebra Reference - R.2 Factoring - R.2 Exercises - Page R-8: 21

Answer

$(x-8)(x+8)$

Work Step by Step

RECALL: $a^2-b^2=(a-b)(a+b)$ Write $64$ as a square to have: $=x^2-8^2$ Factor using the formula above to have: $=(x-8)(x+8)$
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