3x(x-y)³-6y(y-x)²

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/07 03:36:02
3x(x-y)³-6y(y-x)²

3x(x-y)³-6y(y-x)²
3x(x-y)³-6y(y-x)²

3x(x-y)³-6y(y-x)²
3x(x-y)³-6y(y-x)²
=3x(x-y)³-6y(x-y)²
=3(x-y)²[x(x-y)-2y]
=3(x-y)²(x²-xy-2y)
如果不懂,祝学习愉快!