Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 10 - Radical Expressions and Equations - 10-2 Simplifying Radicals - Practice and Problem-Solving Exercises - Page 610: 13


$-2\sqrt {15}$

Work Step by Step

$-\sqrt {60}$$\longrightarrow$ factor out perfect squares $=-\sqrt {4\times15}$ $\longrightarrow$use the multiplication property of square roots $=-\sqrt {4}\times\sqrt {15}$$\longrightarrow$simplify $=-2\sqrt {15}$
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