Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.1 - Algebraic Expressions, Mathematical Models, and Real Numbers - Exercise Set: 12

Answer

$44$

Work Step by Step

Start with expression: $x^{2}-4(x-y),x=8,y=3$. Substitute $8$ in for $x$ and $3$ in for $y$: $8^{2}-4(8-3)$. Simplify for answer: $64-4(5)=64-20=44$.
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