How do I solve this using the TERM BY TERM method?

Question

If f(x)= (2x^2 - 5x - 3) / (3-x)

find f'(-8).

Damon · Answer

2(-8)^2 = 2*64 = 128 -5(-8) = 40 -3 = -3 now add ------------- 165 = numerator 3 - (-8) = 11 so 165/11

Steve · Answer

that's f(-8), but we want f'(-8) f(x) = -(2x+1)