Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 8 - Polynomials and Factoring - 8-1 Adding and Subtracting Polynomials - Practice and Problem-Solving Exercises: 46

Answer

-9$r^{3}$+5$r^{2}$+r-9

Work Step by Step

Given expression : (-9$r^{3}$h+2r-1)-(-5$r^{2}$+r+8) Simplify parenthesis: -9$r^{3}$+2r-1+5$r^{2}$-r-8 Combine like terms: -9$r^{3}$+5$r^{2}$+r-9
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