Answer
74
Work Step by Step
Given $x^{2}$ + 7x -4, x =6
Now use the value of x= 6 in the given expression.
=$6^{2}$ + 7(6) -4
= 36+ 42-4
= 78-4
=74
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: 20
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