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: 2

Answer

$-2\sqrt 3$

Work Step by Step

$\sqrt {27}-\sqrt {75}$ Factor. $(\sqrt 9*\sqrt 3)-(\sqrt 25*\sqrt 3)$ Use the product rule and simplify. $3\sqrt 3-5\sqrt 3$ Combine like radicals. $-2\sqrt 3$
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