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: 65

Answer

6y$^3$+y$^2$+7y-20

Work Step by Step

Distribute the negative sign to the parentheses and then combine like terms. (6y$^3$+2y$^2$-y-11)-(y$^2$-8y+9) 6y$^3$+2y$^2$-y-11-y$^2$+8y-9 (6y$^3$)+(2y$^2$-y$^2$)+(-y+8y)+(-11-9) 6y$^3$+y$^2$+7y-20
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