#### Answer

$7\sqrt x$

#### Work Step by Step

$8\sqrt x-\sqrt x= (8-1)\sqrt x = 7\sqrt x$
Combine like radicals, in this case subtract 1 from 8.

Published by
Pearson

ISBN 10:
0321726391

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

$7\sqrt x$

$8\sqrt x-\sqrt x= (8-1)\sqrt x = 7\sqrt x$
Combine like radicals, in this case subtract 1 from 8.

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