f(x) = x^2 -3x +2
Replace x with 2:
f(2) = x^2 -3(2) +2
f(2) = 4-6 +2
f(2) = 0
g(x) = 4x-5
replace x with -1
g(-1) = 4(-1) -5
g(-1) = -4-5
g(-1) = -9
Now subtract
f(2) - g(-1) = 0 - (-9) = 0+9 = 9
The answer is 9.
