Answer
13
Work Step by Step
5(-3)$^2$-2(-4)$^2$
First solve the exponents.
5(9)-2(16)
Then multiply.
45-32
Then subtract.
13
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 1 - Section 1.8 - Exponents and Order of Operations - Exercise Set - Page 100: 40
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