Jawabanmu

2014-08-14T19:16:05+07:00
X2 + 6x + 2x + 12 = x2 + 8x + 12
2014-08-14T19:17:28+07:00
X^2 + 6X + 2X + 12
= X^2 + 8X + 12
^:pangkat