Jawabanmu

2014-09-05T20:19:34+07:00
(x-1)²-1-10=0
(x-1)²=11
x-1=√11-->x=1+√11
x-1=-√11-->x=1-11
(x+1+√11)(x+1-√11)

3x² -x-10=
3x-6x+5x-10=0
3x(x-2)+5x(x-2)=0
(3x+5)(x-2)=0