Each week Manhattan GMAT posts a GMAT question on our blog and follows up with the answer the next day. Are you up for the challenge?
x is replaced by 1 – x everywhere in the expression 1/x – 1/(1 – x), with x ? 0 and x ? 1. If the result is then multiplied by x2 – x, the outcome equals
(A) x + 1
(B) x – 1
(C) 1 – x2
(D) 2x – 1
(E) 1 – 2x