Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 5 - Section 5.1 - Introduction to Polynomials and Polynomial Functions - Exercise Set - Page 325: 34



Work Step by Step

Consider the given polynomial $(-4x^2y+xy)+(7x^2y+8xy)$ Need to drop the parentheses. Thus, $(-4x^2y+xy)+(7x^2y+8xy)=-4x^2y+xy+7x^2y+8xy$ or, $=-4x^2y+7x^2y+xy+8xy$ or, $=3x^2y+9xy$
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