4m = 12x + 40
8x + 8x + 12x + 40 + 4m = 360
28x + 40 + 12x + 40 = 360
x = 7
m = 12(7) + 40 = 124
Answer:
b
Step-by-step explanation:
It can be a factor if you have f(-1) = 0
That's binomial theorem as I remember.
i don’t know for sure but i just figured it out....
Answer:c
