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 4 - Polynomials - Review Exercises: Chapter 4 - Page 299: 73


$5x^3$ and $(5x)^3$ are not equivalent expressions because $(5x)^3=125x^3$.

Work Step by Step

RECALL: $(ab)^m=a^mb^m$ Thus, $(5x)^3=5^3x^3=125x^3$ Therefore, $5x^3$ and $(5x)^3$ are not equivalent expressions.
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