Answer
$-23\sqrt[3] {5}$
Work Step by Step
$-5\sqrt[3] {625}+\sqrt[3] {40}$ Factor.
$-5\sqrt[3] {125}\sqrt[3] {5}+\sqrt[3] {8}\sqrt[3]{5} $ Simplify.
$-25\sqrt[3] {5}+2\sqrt[3] {5}$ Combine like radicals.
$-23\sqrt[3] {5}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 10 - Section 10.4 - Adding, Subtracting, and Multiplying Radical Expressions - Exercise Set - Page 709: 23
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