Jawabanmu

2014-08-15T21:00:30+07:00
(2x-2) (x-1) =0
2x^2 - 4x + 2 =0
(2x-2)(x-1)= 2x² - 2x - 2x + 2 = 2x² - 4x + 2
2014-08-15T21:01:49+07:00