Jawabanmu

2014-08-11T22:41:20+07:00
(2x + 3) (x^2 + 3)
2x . x^2 + 2x . 3 + 3 . x^2 + 3 . 3
2x^3 + 6x + 3x^2 + 9 = 2x^3 + 3x^2 + 6x + 9