Jawabanmu

2014-05-23T16:31:10+07:00
D = 0
b² - 4ac = 0
4m² - 8m² + 12m = 0
-4m² + 12m = 0
-4m (m - 3) = 0
m = 0 V m = 3

HP= { 0 , 3}