(2x-1)²=(3-x)²(2x-1)²-(3-x)²=0[(2x-1)+(3-x)][(2x-1)-(3-x)]=0(x+2)(3x-4)=0x+2=0或3x-4=0x1=-2,x2=4/3
原式等同于:4XX-4X+1=9-6X+XX等同于:3XX+2X-8=0等同于(X+2)(3X-4)=0等同于X+2=0或3X-4=0等同于X=-2或X=4/3