2x(x-1)=x-1x1=12x=1x2=1/2所以x1=1、x2=1/2是方程的解。
解方程2x(x-1)=x-12x²-2x=x-12x²-3x+1=0(2x-1)(x-1)=02x-1=0 x-1=0x1=0.5x2=1
(2x-1)(x-1)=0x=1/2,或x=1
2x(x-1)=x-12x(x-1)-(x-1)=0(2x-1)(x-1)=0得两个实根 x=1/2 x=1
(2x-1)(x-1)=0x=1/2或x=1