Enter (A,B,C,D) in order below if A, B, C, and D are the coefficients of the partial fractions expansion of
(x^3 + x^2 - 2x + 5)/((x^2 - 1)(x^2 - 3x + 2)) = A/(x - 1) + B/(x + 2) + C/(x + 1) + D/(x + 1)^2.
(A,B,C,D) = (3,-1,2,-2).
