Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 5 - Review - Page 232: 21



Work Step by Step

We simplify by distributing the negative and combining like terms as follows: $$(3x^2+5x+2)+(9x^2-6x-2)-(2x^2+6x-4)\\=10x^2-7x+4.$$
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.