Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Review - Page 406: 80



Work Step by Step

$(x^2+7x+9)+(x^2+4)-(4x^2+8x-7)$ $=x^2+7x+9+x^2+4-4x^2-8x+7$ $=x^2+x^2-4x^2+7x-8x+9+4+7$ $=-2x^2-x+20$
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.