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
$\sqrt{21}-2\sqrt7$
Algebra 1
by Hall, Prentice
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 - Page 616: 3
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