Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 5 - Section 5.1 - Adding and Subtracting Polynomials - Exercise Set: 78

Answer

14y$^2$-8

Work Step by Step

Distribute the negative sign to the parentheses and then combine terms vertically. $\qquad9y^2-6$ $\underline{-(-5y^2+2)}$ $\qquad\;\downarrow$ $\quad9y^2-6$ $\underline{\;+5y^2-2}$ $\quad14y^2-8$
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.