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 5.4 - Polynomials in Several Variables - Exercise Set: 10



Work Step by Step

Removing the grouping symbols and then combining like terms, the given expression, $ (-2x^2y+xy)+(4x^2y+7xy) ,$ simplifies to \begin{array}{l}\require{cancel} -2x^2y+xy+4x^2y+7xy \\\\= (-2x^2y+4x^2y)+(xy+7xy) \\\\= 2x^2y+8xy .\end{array}
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