Answer
$-3z\sqrt[5] {z^4}$
Work Step by Step
$\sqrt[5] {-243z^9}=\sqrt[5] {-243}\sqrt[5] {z^5}\sqrt[5] {z^4}=-3z\sqrt[5] {z^4}$
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 10.3 - Simplifying Radical Expressions - Exercise Set - Page 703: 50
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