Answer
$x = -6$
Work Step by Step
$-7x^{3} = 1512$
$x^{3} = -216$
$x = -216^{\frac{1}{3}}$
$x = -6$
Check:
$ -7x^{3}$
$= -7(-6)^{3}$
$= -7(-216)$
$= 1512$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 5 - Exponential Functions - 5.2 Solving Equations Using Exponent Rules - 5.2 Exercises - Page 438: 67
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