Algebra 1

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

Chapter 10 - Radical Expressions and Equations - 10-3 Operations with Radial Expressions - Lesson Check: 3

Answer

$\sqrt{21}-2\sqrt7$

Work Step by Step

$\sqrt7(\sqrt3-2)\longrightarrow$ use the distributive property $(\sqrt7\times\sqrt3)-2\sqrt7\longrightarrow$ multiplication property of square roots $\sqrt{21}-2\sqrt7$
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