Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Test: 7

Answer

$11\sqrt 2$

Work Step by Step

$4\sqrt {50} - 3\sqrt {18}=20\sqrt 2-9\sqrt 2=(20-9)\sqrt 2=11\sqrt 2$
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