Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.4 - Adding, Subtracting, and Multiplying Radical Expressions - Exercise Set: 1

Answer

$-2\sqrt 2$

Work Step by Step

$\sqrt {8}-\sqrt {32}$ Factor. $(\sqrt 4*\sqrt 2)-(\sqrt 16*\sqrt 2)$ Use the product rule and simplify. $2\sqrt 2-4\sqrt 2$ Combine like radicals. $-2\sqrt 2$
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