Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 13 - Cumulative Review: 45

Answer

$\frac{5}{2}\sqrt[3] {7x}$

Work Step by Step

$\sqrt[3] {\frac{7x}{8}}+2\sqrt[3] {7x}$ =$\frac{\sqrt[3] {7x}}{\sqrt[3] 8}+2\sqrt[3] {7x}$ =$\frac{\sqrt[3] {7x}}{2}+2\sqrt[3] {7x}$ =$\sqrt[3] {7x} (\frac{1}{2}+2)$ =$\sqrt[3] {7x} (\frac{5}{2})$ =$\frac{5}{2}\sqrt[3] {7x}$
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