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: 30

Answer

7$y^{3}$ + 2$y^{2}$ -y +2

Work Step by Step

(7$y^{3}$+5y - 1) + (2$y^{2}$ - 6y +3) The like terms are 7$y^{3}$ , 2$y^{2}$ , 5y and -6y (both containing y) and the constant terms -1 and 3. We begin by grouping these pairs of like terms. =7$y^{3}$ + 2$y^{2}$ +(5y - 6y) +(-1+3) = 7$y^{3}$ + 2$y^{2}$ -y +2
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