Answer
2
Work Step by Step
Use the order of operations to simplify.
=$7+(2^2-3^2)\longrightarrow$ simplify exponents inside parentheses
=$7+(4-9)\longrightarrow$ subtract within parentheses
=$7+(-5)$ add
=$2$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 1 - Foundations for Algebra - 1-5 Adding and Subtracting Real Numbers - Practice and Problem-Solving Exercises - Page 35: 50
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