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 R - Elementary Algebra Review - R.4 Polynomials - R.4 Exercise Set: 47

Answer

$-y^2+5y-2$

Work Step by Step

Removing the grouping symbols and then combining like terms, the given expression, $ (8y^2-2y-3)-(9y^2-7y-1) ,$ simplifies to \begin{array}{l}\require{cancel} 8y^2-2y-3-9y^2+7y+1 \\\\= (8y^2-9y^2)+(-2y+7y)+(-3+1) \\\\= -y^2+5y-2 .\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.