Tìm x biết

Tìm x biết:
a) (x+3)^2 - (x-3)(x-4) = 36
b) (x-2)^2 - (x+2)(x-3) = 1
c) (2x+3)^2 - (4x+3)(x+2) = 1
d) (2x-1)^2 - (4x-3)(x-2) =9
e) (x-3)(x+3) - (x-5)(x+2) = -5
f) (2x+3)(2x-3) - (4x-3)(x-2) = -7
g) (2x+1)^2 - (4x-5)(x-2) = 25
h)  (2x-5)^2 - (4x-3)(x-2) = 1