Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 5 - Section 5.4 - Multiplying Polynomials - Exercise Set - Page 289: 15



Work Step by Step

Using the Distributive Property, the given expression simplifies to \begin{align*} & [3x(5x)+3x(1)]+[-2(5x)-2(1)] \\&= [15x^2+3x]+[-10x-2] \\&= 15x^2+(3x-10x)-2 \\&= 15x^2-7x-2 .\end{align*}
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