Answer
$-2x^3 +18 x^2 - 18 $
Work Step by Step
We simplify by removing the parentheses and then combine the like terms as follows
$$
6(x^3 + x^2 - 3) - 4(2x^3 - 3x^2)= 6x^3 +6 x^2 - 18 - 8x^3 +12x^2\\
= -2x^3 +18 x^2 - 18
.$$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Appendix A - Review - A.3 Polynomials - A.3 Assess Your Understanding - Page A31: 35
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.
