X^3Y-2X^2Y^2+XY^3

问题描述:

X^3Y-2X^2Y^2+XY^3
分解因式

答:
X^3Y-2X^2Y^2+XY^3
=x³y-2x²y²+xy³
=xy(x²-2xy+y²)
=xy(x-y)²