Answer
88
Work Step by Step
Given 7$x^{2}$ + 25, x =3
Now put the value of x =53 in the given expression
= 7$(3)^{2}$ + 25
=7(9) + 25
= 63 + 25
=88
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: 16
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