Answers

2014-08-03T23:36:34+08:00
3x(x-2) =12x
3x²-6x =12x
3x²-18x =0
3x(x-6) =0
3x =0  or x= 6
thus        x =0    or    6
1 3 1
2014-08-04T08:03:58+08:00