Thinking Mathematically (6th Edition)

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: 14

Answer

135

Work Step by Step

Given $x^{2}$ + 6x, x = 9 Now use the value of x =9 in the given expression = $9^{2}$ + 6(9) =81 + 54 =135
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