Simplify: 3/(x + 1) - 1/(x - 1) - (2x)/(x ^ 2 - 1)

A) (2(2x - 1))/((x + 1)(x - 1))

B) (2(2x + 1))/((x + 1)(x - 1))

C) - 4/(x ^ 2 - 1)

D) 4/(x - 1)