Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 3 - Exponents, Polynomials and Functions - 3.2 Combining Functions - 3.2 Exercises: 39

Answer

$15a^{2}b+20ab^{2}-24ab-32b^{2}$

Work Step by Step

$(5ab-8b)(3a+4b)$ $=5ab(3a+4b)-8b(3a+4b)$ $=15a^{2}b+20ab^{2}-24ab-32b^{2}$
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