Evaluate \int \frac{60x}{x^2 - x - 6} dx by solving the equivalent \int \frac{A}{x - a} + \frac{B}{x + b} dx which leads to a solution of A ln(x - a) + B ln(x + b). What are the values of these constants?
A. a = 2, b = 3, A = 24, B = 36
B. a = 3, b = 2, A = 36, B = 24
C. a = 4, b = 2, A = 40, B = 20
D. a = 6, b = 1, A = 360/7, B = 60/7
E. a = 2, b = 4, A = 20, B = 40
F. a = 1, b = 6, A = 60/7, B = 360/7