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

数学 因式分解
2024-11-18 11:38:28
推荐回答(1个)
回答(1):

x(x^2-xy+y^2)-y(x^2+xy+y^2)
=x³-x²y+xy²-x²y-xy²-y³
=x³-y³-2x²y