# Chapter 6 - Algebra: Equations and Inequalities - 6.1 Algebraic Expressions and Formulas - Exercise Set 6.1 - Page 347: 20

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

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