Answer
$$15\sqrt[3]{7}$$
Work Step by Step
Simplifying the expression using the rules of radicals/exponents, we find:
$$9\sqrt[3]{56}-\sqrt[3]{189} \\ 18\sqrt[3]{7}-3\sqrt[3]{7} \\ 15\sqrt[3]{7}$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 13, Trigonometric Ratios and Functions - 13.5 Apply the Law of Sines - 13.5 Exercises - Mixed Review - Page 888: 54
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