2x²（x-y)²+xy(y-x)³答案是几用提取公因式

网友回答

原式=x(y-x)^2[2x+y(y-x)]
=x(y-x)^2(2x+y^2-xy)
======以下答案可供参考======
供参考答案1:
=2x²(x-y)²-xy(x-y)³
=x(x-y)²[2x-y(x-y)]
=x(x-y)²(2x-xy+y²)