Answer
44
Work Step by Step
First, we must substitute x and y into the expression $(8)^{2}-4(8-3)$
To solve, we follow order of operations:
parenthesis: $(8)^{2}-4(5)$
exponents: $64-4(5)$
multiplication: $64-20$
subtraction: $=44$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 1 - Section 1.1 - Algebraic Expressions, Real Numbers, and Interval Notation - Exercise Set - Page 12: 26
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