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: 33



Work Step by Step

Consider the given polynomial $(7x^2y-5xy)+(2x^2y-xy)$ Need to drop the parentheses. Thus, $(7x^2y-5xy)+(2x^2y-xy)=7x^2y-5xy+2x^2y-xy$ or, $=7x^2y+2x^2y-5xy-xy$ or, $=9x^2y-6xy$
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