x^3-y^3+x^2-3xy+2y^2 分解因式
问题描述:
x^3-y^3+x^2-3xy+2y^2 分解因式
答
x^3-y^3+x^2-3xy+2y^2
=(x-y)(x^2+y^2-xy)+(x-y)(x-2y)
=(x-y)(x^2+y^2-xy+x-2y)