Answer
$-18\sqrt 3y^3$
Work Step by Step
Separate the radical to make the expression easier to simplify.
$-2\times\sqrt 81\times\sqrt 3\times\sqrt y^3$
Simplify
$-2\times 9\times\sqrt 3\times\sqrt y^3$
Answer: $-18\sqrt 3y^3$
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 - Practice and Problem-Solving Exercises - Page 623: 21
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