Question

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?
-4
-3
3
4

Answer 1

@ganeshie8

Answer 2

do i get medal if help

Answer 3

Yes haha

Answer 4

@Qwertty123

Answer 5

Hey so lets look at the first terms of each term
(2x+4)(mx+8) = -6x^2 + 28x-32
2x and mx when multiply are the only one to give a variable of x^2
So
2m= -6
m=-3

Answer 6

Thank you so much for explaining!