Jawabanmu

2014-05-19T20:35:35+07:00
(2x-3)²-12=0
4x²-12x+9-12=0
4x²-12x-3=0
2014-05-19T20:36:12+07:00
(2x-3)^2-12=0
4x2-12x+9-12=0
4x2-12x-3=0