Jawabanmu

2014-02-09T21:32:38+07:00
x1x2 -3((x1+x2)^{2} - 2x1x2 ) -3x2a=1 b=-1 c=-4
x1+x2 = -b/a = 1
x1x2 = c/a = 4
(x1-3x2) (x2-3x1)
x1x2 -3x2^{2} - 3x1^{2} +9x1x2
x1x2 -3(x1^{2} + x2^{2}) +9x1x2
x1x2 -3((x1+x2)^{2} - 2x1x2) + 9x1x2
4 -3(1- 8) + 9(4)
4+21+36 = 61
diplihannya gk ada a.-17 b.-67 c.-32 d.-37 e.-19
bentar ya legi mikir bingung nih nulisnya
aduhh please ada wktunya ini..
2014-02-09T22:49:47+07:00