分解因式:x^2-2xy+y^3-5x+5y-6
问题描述:
分解因式:x^2-2xy+y^3-5x+5y-6
答
x^2-2xy+y^3-5x+5y-6
=(x-y)²-5(x-y)-6
=(x-y-6)(x-y+1)