Explanation Given Information: The given equation: x 2 − 2 x − 168 Formula used: Step 1: Write the equation in the form a x 2 + b x + c = 0 . Step 2: Find the factors of the polynomial. Step 3: Write each factor of the polynomial equal to zero. Step 4: Solve the equations. Step 5: Check. Calculation: Consider the give equation, In order to solve the equation, follow the following step: Step 1: Write the equation in the form a x 2 + b x + c = 0 x 2 − 2 x − 168 = 0 Step 2: Find the factors of the above polynomial, x 2 − 2 x − 168 = 0 x 2 − 14 x + 12 x − 168 = 0 x ( x − 14 ) + 12 ( x − 14 ) = 0 ( x − 14 ) ( x + 12 ) = 0 Step 3: Write each factor equal to zero, ( x − 14 ) = 0 and ( x + 12 ) = 0 Step 4: Solve the equations, x − 14 = 0 x

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ISBN: 9781285199191

Author: Dale Ewen, C. Robert Nelson

Publisher: Cengage Learning

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Chapter 14, Problem 13CR

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Chapter 14, Problem 12CR

Chapter 14, Problem 14CR

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Chapter 14 Solutions

Elementary Technical Mathematics

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The factors of the equation x 2 − 2 x − 168 .

Solution Summary: The author explains how to calculate the factors of the equation x2-2x-168.

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Chapter 14 Solutions