分解因式x^2-xy+3y-3x67

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分解因式x^2-xy+3y-3x67分解因式x^2-xy+3y-3x67分解因式x^2-xy+3y-3x67x^2-xy+3y-3x=x(x-3)+y(3-x)=(x-y)(x-3)x^2-xy+3y

分解因式x^2-xy+3y-3x67
分解因式x^2-xy+3y-3x
67

分解因式x^2-xy+3y-3x67
x^2-xy+3y-3x
=x(x-3)+y(3-x)
=(x-y)(x-3)

x^2-xy+3y-3x
=x^2-3x+3y-xy
=x(x-3)+y(x-3)
(x+y)(x-3)

x^2-xy+3y-3x
=x(x-3)+y(3-x)
=(x-y)(x-3)

(x-y)(x-3)