Respuesta :

mitak5575

Answer:y= 4x^2-28x

Step-by-step explanation:

All you have to do is distribute

so its y= -4x(x+7)

-4x becomes -4x^2 because of the (x*x)

-4x*7= -28x

so it’s y= 4x^2-28x (there isn’t any like terms so we can’t simplify this anymore)