Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 8 - Polynomials and Factoring - 8-7 Factoring Special Cases - Practice and Problem-Solving Exercises - Page 527: 47



Work Step by Step

$84=$ ...write $84$ as a difference of two squares. $=100-16$ ...write each term as a square. $=10^{2}-4^{2}$ ...use the rule for the difference of two squares. $=(10-4)(10+4)$ ...simplify. $=(6)(14)$
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