College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.8 - nth Roots; Rational Exponents - R.8 Assess Your Understanding: 17

Answer

$-2x\sqrt[3]{x}$

Work Step by Step

We use $\sqrt[3] {a^3}=a$ to obtain: $\sqrt[3]{-8x^4}=\sqrt[3]{(-2)^{3}x^{3}x}=-2x\sqrt[3]{x}$
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