Jawabanmu

2014-09-05T09:11:42+07:00
2014-09-05T09:25:56+07:00
9m^2 - 6m + 1 = 9m^2 - 3m - 3m + 1
= 3m(3m - 1) - 1(3m - 1)
= (3m - 1)(3m - 1)
1 5 1