Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - 4.4 Addition and Subtraction of Polynomials - 4.4 Exercise Set: 15

Answer

$9t^2+t+3$

Work Step by Step

By combining like terms, the given expression, $ (7t^2-3t-6)+(2t^2+4t+9) $, simplifies to \begin{array}{l} (7t^2+2t^2)+(-3t+4t)+(-6+9) \\\\= 9t^2+t+3 .\end{array}
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.