Answer
3$\sqrt 10$
Work Step by Step
You are given 4$\sqrt {10}$ - $\sqrt {10}$.Solve:
4$\sqrt {10}$ -1$\sqrt {10}$ -use distributive property to simplify similar elements-
$\sqrt {10}$(4-1) -simplify-
=3$\sqrt {10}$
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 - Chapter Test - Page 657: 10
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