The partial fraction decomposition of 6/(x-1)(x+2) can be written in form of f(x)/x-1 + g(x)/x+2
the possible answers for f(x) and g(x) are a, a constant, or b (ax+b), a linear function.

f(x) is the in the form of (input a or b)
g(x) is the in the form of (input a or