Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.2 The Commutative, Associative, and Distributive Laws - 1.2 Exercise Set - Page 17: 26



Work Step by Step

The commutative law of multiplication states that $ab=ba$ (where $a$ and $b$ are real numbers). That is, changing the order of multiplication does not affect the answer. Therefore, $9(x+5)=9\times(x+5)=(x+5)\times9$.
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