Precalculus (6th Edition)

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

Chapter 1 - Equations and Inequalities - Chapter 1 Test Prep - Review Exercises - Page 179: 78

Answer

$-1$

Work Step by Step

Step 1. Rewrite the equation as $\sqrt[3] {6x+2}=\sqrt[3] {4x}$ Step 2. Raise both sides to the 3rd power to get $6x+2=4x$ which gives $x=-1$ Step 3. Check the answer with the original equation and it fits.
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