Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 7 - Algebraic Fractions - Chapters 1-7 Cumulative Review Problem Set - Page 324: 38



Work Step by Step

As $n$ is common to the first two terms and $-2$ is common to the last two terms, we obtain: $nx+ny-2x-2y$ =$n(x+y)-2(x+y)$ =$(x+y)(n-2)$
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