Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - 4.4 Addition and Subtraction of Polynomials - 4.4 Exercise Set - Page 259: 17



Work Step by Step

By combining like terms, the given expression, $ (4m^3-7m^2+m-5)+(4m^3+7m^2-4m-2) $, simplifies to \begin{array}{l} (4m^3+4m^3)+(-7m^2+7m^2)+(m-4m)+(-5-2) \\\\= 8m^3+0m^2-3m-7 \\\\= 8m^3-3m-7 .\end{array}
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