Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 5 - Review: 135


$$x=0$$ $$x=6$$ $$x=-3$$

Work Step by Step

We have $$x^3-18x=3x^2$$ Sending all the terms to the left side of the equation $$x^3-18x-3x^2=0$$ Factorizing $$x(x^2-3x-18)=0$$ $$x(x-6)(x+3)=0$$ Solving each parenthesis 1)$$x=0$$ 2)$$x-6=0$$ $$x=6$$ 3)$$x+3=0$$ $$x=-3$$
Update this answer!

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.