dolwinfitzz28 dolwinfitzz28

21-02-2018
Mathematics

contestada

A polynomial expression is shown below. (mx + 8) (2x − 4)

The expression is simplified to: −6x^2 +28x − 32

What is the value of m?

A. -4

B. -3

C. 3

D. 4

Respuesta :

aimanadlinp4fyje aimanadlinp4fyje

21-02-2018

the answer is B. -3

mx x 2x = -6x^2
2mx^2 = -6x^2
2m = -6
m = -3

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