Jawabanmu

2014-08-24T18:20:53+07:00
X-m = 0 , maka x=m

subtitusikan

(m)^2 - (m+2) m + 6 = 0
m^2 - m^2 - 2m + 6 = 0
-2m = -6
m = 3
1 5 1