Explanation Given: Provided equation is 5 x 2 − 9 x = − 12 x . Calculation: Consider the equation, 5 x 2 − 9 x = − 12 x Simplify the above equation as below: 5 x 2 − 9 x = − 12 x 5 x 2 − 9 x + 12 x = 0 5 x 2 + 3 x = 0 x ( 5 x + 3 ) = 0 Therefore, x = 0 Or, 5 x + 3 = 0 5 x = − 3 x = − 3 5 To check, Put x = 0 in the equation 5 x 2 − 9 x = − 12 x , 5 × 0 2 − 9 × 0 = − 12 × 0 0 = 0 Therefore, x = 0 is a solution

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Author: John Tobey, Jeffrey Slater

Publisher: PEARSON+

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Chapter 11, Problem 46PFE

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Chapter 11, Problem 45PFE

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Chapter 11 Solutions

Pearson eText for Intermediate Algebra -- Instant Access (Pearson+)

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The solution of the equation 5 x 2 − 9 x = − 12 x .

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Chapter 11 Solutions