Answer
$7\sqrt {7}-4\sqrt[3] x$
Work Step by Step
$3\sqrt {7}-\sqrt[3] {x}+4\sqrt {7}-3\sqrt[3] x$
$(3+4)\sqrt {7}-(1+3)\sqrt[3] x$ Combine like radicals.
$7\sqrt {7}-4\sqrt[3] x$
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: 20
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