Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.2 - Operations with Real Numbers and Simplifying Algebraic Expressions - Exercise Set: 122

Answer

$9x^2+12x$

Work Step by Step

Rearrange and group like terms, and then simplify using the distributive property to find: $=(5x^2+4x^2)+(9x+3x) \\=(5+4)x^2+(9+3)x \\=9x^2+12x$
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.