Answer
$3x(x-3)(x+3)$
Work Step by Step
$3x^{3}-27x=3x(x^{2}-9)=3x(x-3)(x+3)$
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.