## Elementary Algebra

Published by Cengage Learning

# Chapter 2 - Real Numbers - 2.4 - Exponents - Problem Set 2.4: 100

#### Answer

$= -125$

#### Work Step by Step

We plug in 5 for x to obtain: $-x^{3}$ $= -5^{3}$ $= -(5 \times 5 \times 5)$ $= -(5 \times 25)$ $= -125$

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