Answer
$-343x^3$
Work Step by Step
Using laws of exponents, the given expression, $
(-7x)^3
$, is equivalent to
\begin{array}{l}\require{cancel}
(-7)^3x^3
\\\\=
-343x^3
.\end{array}
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 1 - Introduction to Algebraic Expressions - 1.8 Exponential Notation and Order of Operations - 1.8 Exercise Set - Page 66: 37
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