Jawabanmu

2014-08-31T19:35:37+07:00
-30x^3 + 21x^2y + 6x^2y^2 +50x^2 -35xy -10xy^2 -10xy +7y^2 +2y^3
-30x^3 + 21x^2y + 6x^2y^2 +50x^2 -45xy -10xy^2  +7y^2 +2y^3