Answer
3
Work Step by Step
Plug in -1 for x and then simplify the expression.
x$^3$-4x
(-1)$^3$-4(-1)
(-1)(-1)(-1)-4(-1)
(-1)-4(-1)
(-1)-(-4)
-1+4
3
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 2 - Section 2.2 - The Multiplication Property of Equality - Exercise Set - Page 132: 90
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