Answer
$5\sqrt{3x}$
Work Step by Step
Factor the radicand (expression inside the radical sign) so that one factor is a perfect square, and then simplify to obtain:
$=\sqrt{25(3x))}
\\=\sqrt{5^2(3x)}
\\=5\sqrt{3x}$
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.