College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 1 - Equations and Inequalities - Exercise Set 1.3 - Page 136: 94

Answer

$\sqrt 2$

Work Step by Step

Break down the numbers inside the radicals and simplify the rational square roots. Then combine like terms. $\sqrt {18}-\sqrt 8$ $\sqrt 9\sqrt 2-\sqrt 4\sqrt 2$ $3\sqrt 2-2\sqrt 2$ $\sqrt 2$
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