#### Answer

$3x\sqrt 11$

#### Work Step by Step

$\sqrt (9x) \times \sqrt(11x)$ = $\sqrt9 \times \sqrt x \times \sqrt 11 \times\sqrt x$ = $\sqrt9 \times \sqrt 11 \times\sqrt x\times \sqrt x$ = $3x\sqrt 11$

Published by
Prentice Hall

ISBN 10:
0133500403

ISBN 13:
978-0-13350-040-0

$3x\sqrt 11$

You can help us out by revising, improving and updating this answer.

Update this answerAfter you claim an answer you’ll have **24 hours** to send in a draft. An editor
will review the submission and either publish your submission or provide feedback.