Answer
$2\sqrt7-4$
Work Step by Step
$\frac{6}{\sqrt 7 +2}$
Multiply the equation with $\frac{\sqrt 7 -2}{\sqrt 7 -2}$
$=\frac{6(\sqrt 7 -2)}{7-4}$
$=\frac{6\sqrt 7-12}{3}$
$=2\sqrt7-4$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 10 - Radical Expressions and Equations - 10-3 Operations With Radical Expressions - Lesson Check - Page 629: 6
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