Intermediate Algebra: Connecting Concepts through Application

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 633: 41

Answer

$4\sqrt {5x}$

Work Step by Step

$\sqrt {5x}+3\sqrt {5x}=\sqrt {5x}(1+3)=\sqrt {5x}(4)=4\sqrt {5x}$
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