Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.4 Quadratic Equations - 1.4 Exercises: 70

Answer

$x = -4$

Work Step by Step

$x^3 + 64= 0$ $x^3 + 64- 64= -64$ $x ^3 = -64$ $\sqrt[3] {x^3} = \sqrt[3] {-64}$ $x = -4$
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