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: 84

Answer

9y$^3$-y$^2$+16y+14

Work Step by Step

Distribute the negative sign to the parentheses and then combine like terms vertically. $\qquad4y^3+5y^2+7y+11$ $\underline{-(-5y^3+6y^2-9y-3)}$ $\qquad\qquad\downarrow$ $\quad4y^3+5y^2+7y+11$ $\underline{+\;5y^3-6y^2+9y+3}$ $\quad9y^3-y^2+16y+14$
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.