来自刘朝辉的问题
x^2+x^2y-xy^2-y^3因式分解
x^2+x^2y-xy^2-y^3因式分解
1回答
2020-12-04 18:19
x^2+x^2y-xy^2-y^3因式分解
x^2+x^2y-xy^2-y^3因式分解
原式=xy(x-y)+(x-y)(x^2+xy+y^2)=(x-y)(x^2+2xy+y^2)=(x-y)(x+y)^2