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 6 - Rational Expressions and Equations - 6.4 Addition and Subtraction with Unlike Denominators - 6.4 Exercise Set - Page 402: 90

Answer

No

Work Step by Step

For addition, the parenthesis are not as important since, as stated in the associative property of addition, the location of the parenthesis for addition does not matter. However, since the negative must be distributed inside the parenthesis for subtraction, the parenthesis matter for the operation of subtraction more.
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