#### 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$\sqrt {10}$

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Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

3$\sqrt 10$

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