Find constants A and B such that (x - 7)/(x^2 - x - 2) = A/(x - 2) + B/(x + 1) for all x such that x doesn't equal -1 and x doesn't equal 2. Give your answer as the ordered pair (A,B).
Letting x go to 2, we find that A + 2B = 4. Letting x go to -1, we find 2A - B = 3. Therefore, A = 2 and B = -1.