Answer
$-5x$
Work Step by Step
RECALL:
(i) $\sqrt[n]{a^n} = a$ when $n$ is odd
(ii) $\sqrt[n]{a^n}=|a|$ when $n$ is even
Write the expression inside the radical sign as a cube, and then use rule (i) above to obtain:
$\sqrt[3]{(-5x)^3}=-5x$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 7 - Section 7.1 - Radical Expressions and Functions - Exercise Set - Page 512: 82
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