因式分解填空：4ax²-ay²=?,mx²-my²=?,x²-9y²=?

来源：学生作业学帮网编辑：学帮网时间：2024/06/02 07:15:06

4ax²-ay²
=a(4x²-y²)
=a(2x+y)(2x-y)
mx²-my²
=m(x²-y²)
=m(x+y)(x-y)
x²-9y²
=x²-(3y)²
=(x+3y)(x-3y)