Answer
$4b^2\sqrt b$
Work Step by Step
Separate the radical to make it easier to simplify
$\sqrt 16\times\sqrt b^4\times \sqrt b$
Simplify the perfect square roots in the radical
$4\times b^2\times\sqrt b$
Answer: $4b^2\sqrt b$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 10 - Radical Expressions and Equations - 10-2 Simplifying Radicals - Lesson Check - Page 623: 2
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