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: 23



Work Step by Step

Factor out 10 to have: $=10(x^2-16)$ Write $16$ as a square to have: $=10(x^2-4^2)$ RECALL: $a^2-b^2=(a-b)(a+b)$ Factor using the formula above to have: $=10(x-4)(x+4)$
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