#### Answer

$-6\sqrt {3}$

#### Work Step by Step

$-\sqrt {75}+\sqrt {12}-3\sqrt {3}$ Factor.
$-\sqrt {25}\sqrt {3}+\sqrt {4}\sqrt {3}-3\sqrt {3}$ Simplify.
$-5\sqrt {3}+2\sqrt {3}-3\sqrt {3}$ Combine like radicals.
$-6\sqrt {3}$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$-6\sqrt {3}$

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