Answer
x=-2, 2, or -$\frac{2}{3}$
Work Step by Step
3x$^3$+2x$^2$-12x-8=0
x$^2$(3x+2)-4(3x+2)=0
(x$^2$-4)(3x+2)=0
(x+2)(x-2)(3x+2)=0
x=-2, 2, or -$\frac{2}{3}$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 1 - Equations and Inequalities - Exercise Set 1.6 - Page 178: 3
Update this answer!
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.
