Answer
$-3t\sqrt {11r}$
Work Step by Step
$5t\sqrt {11r}-8t\sqrt {11r}=\sqrt {11r}\times(5t-8t)=\sqrt {11r}\times(-3t)=-3t\sqrt {11r}$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 8 - Radical Functions - 8.2 Simplifying, Adding, and Subtracting Radicals - 8.2 Exercises - Page 634: 49
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