将x-2xy+y-2x+2y+1因式分解

(x-y)^2-(xy+1)因式分解 因式分解：x方y+2xy+y 将x-2xy+y-2x+2y+1因式分解 因式分解：x×x-xy-2y×y-x-y 因式分解 x(x-1)+y(y+1)-2xy 因式分解:X(X-1)+Y(Y+1)-2XY （x+y）(x-1)-xy-y^2 怎么因式分解? 因式分解 x方+y方-xy+2x-y+1 (xy-1)^2+(x+y-z)(x+y-zxy)因式分解 (x+y)/x /(x-(2xy-y^2)/x) 因式分解 因式分解x^2y^2+x^2y+xy^2+3xy+x+y+1 X^2（X+1）-Y（XY+X）因式分解 y^3+xy^2+2xy+x^2-1 因式分解 因式分解xy²-2xy+x+2y-1 x^2-y^2-1+2y因式分解,-x^2-y^2+1-2xy因式分解 -xy^2(x+y)^3+x(x+y)^2因式分解 因式分解:8(x-2y)-x(7x+y)+xy. 因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)