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: 50

Answer

$-4x\sqrt {2y}$

Work Step by Step

$3x\sqrt {2y}-7x\sqrt {2y}=\sqrt {2y}\times(3x-7x)=\sqrt {2y}\times(-4x)=-4x\sqrt {2y}$
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