Answer
140
Work Step by Step
Given $x^{2}$ + 4x, x = 10
Now use the value of x =10 in the given expression.
= $10^{2}$ + 4(10)
=100 + 40
=140
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: 13
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