Answer:
28x - 60
Step-by-step explanation:
f(x)=-x+8
g(x)=8x+7
(f - g) (-4)
= (x + 8 - 8x + 7) -4
Move all the like terms together.
= (x - 8x + 8 +7) -4
= (15 - 7x) -4
Multiply -4 with 15 and -7x
= 28x - 60
