3a²y-6ay+3y

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 22:44:39
3a²y-6ay+3y

3a²y-6ay+3y
3a²y-6ay+3y

3a²y-6ay+3y
原式=3y(a²-2a+1)
=3y(a-1)²

3y(a²-2a+1)=3y(a-1)²