Answer
-50
Work Step by Step
$-5^{2}-(-5)^{2}=-(5\times5)-(-5\times-5)=-(25)-(25)=-(25+25)=-50$
For the term $-5^{2}$, order of operations tells us that we must evaluate the exponent before considering the negative sign.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 1 - Sections 1.2-1.3 - Integrated Review - Algebraic Expressions and Operations on Whole Numbers - Page 29: 10
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