The Quest for 700: Weekly GMAT Challenge

Each week Manhattan GMAT posts a 700 level GMAT question on our blog and follows up with the answer the next day. Are you up for the challenge?

x⁶ – y⁶ =

(A) (x³ + y³)(x² + y²)(x – y)

(B) (x³ – y³)(x³ – y³)

(C) (x² + y²)(x² + y²)(x + y)(x – y)

(D) (x⁴ + y⁴)(x + y)(x – y)

(E) (x³ + y³)(x² + xy + y²)(x – y)