Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 4 - Section 4.2 - Adding and Subtracting Polynomials - 4.2 Exercises: 47

Answer

$-2ab^{2}+20a^{2}b$

Work Step by Step

We are given the polynomial $3ab^{2}+7a^{2}b-5ab^{2}+13a^{2}b$. We can use the distributive property to combine like terms. $3ab^{2}+7a^{2}b-5ab^{2}+13a^{2}b=(3-5)ab^{2}+(7+13)a^{2}b=(-2)ab^{2}+(20)a^{2}b=-2ab^{2}+20a^{2}b$
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