Work Step by Step
3x is a common factor of each term in the polynomial, so we factor it out. $9x^4-15x^2-18x=3x(3x^3-5x-6)$
You can help us out by revising, improving and updating this answer.Update this answer
After 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.