Answer
65
Work Step by Step
Given $x^{2}$ -8x, x =-5
Now put the value of x = -5 in the given expression.
=$(-5)^{2}$ - 8(-5)
= 25+40
= 65
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 6 - Algebra: Equations and Inequalities - 6.1 Algebraic Expressions and Formulas - Exercise Set 6.1 - Page 347: 18
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