Answer:
y=-6x^2-48x-72
Step-by-step explanation:
First we can FOIL.
I've attached an image that explains it.
F: x^2
O: 6x
I: 2x
L: 12
Our equation is now
y=-6(x^2+6x+2x+12)
Combine like terms.
y=-6(x^2+8x+12)
Distribute.
