Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-5 Adding and Subtracting Real Numbers - Practice and Problem-Solving Exercises: 50

Answer

$+2$

Work Step by Step

Using PEMDAS, we must first simplify the parentheses by calculating the exponents. Then, we can use addition to solve for the answer. $7+(2^{2}-3^{2})$ =$7+(4-9)$ =$7+(-5)$ =$+2$
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