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 - Page 17: 8



Work Step by Step

Start with given expression: $x^{2}-7x+4,x=8$. Substitute $8$ in for $x$: $8^{2}-7(8)+4$. Simplify for answer: $64-56+4=12$.
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