①4x²-(x-1)²=0
[2x+(x-1)][2x-(x-1)=0
(2x+x-1)(2x-x+1)=0
(3x-1)(x+1)=0
∴x=1/3或x=-1
②3x(x-1)=x-1
3x²-3x=x-1
3x²-4x+1=0
(3x-1)(x-1)=0
x=1/3或x=1（x+2)(x-3)=-6（x+2)(x-3)=-6x²-x-6=-6x(x-1)=0x=0或x=1