(m²-6mn+9n²)÷(m-3n)-(4m²-9n²)÷(2m-3n)化简,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 02:11:08
![(m²-6mn+9n²)÷(m-3n)-(4m²-9n²)÷(2m-3n)化简,](/uploads/image/z/1124452-28-2.jpg?t=%EF%BC%88m%26%23178%3B-6mn%2B9n%26%23178%3B%EF%BC%89%C3%B7%EF%BC%88m-3n%EF%BC%89-%EF%BC%884m%26%23178%3B-9n%26%23178%3B%EF%BC%89%C3%B7%EF%BC%882m-3n%EF%BC%89%E5%8C%96%E7%AE%80%2C)
(m²-6mn+9n²)÷(m-3n)-(4m²-9n²)÷(2m-3n)化简,
(m²-6mn+9n²)÷(m-3n)-(4m²-9n²)÷(2m-3n)化简,
(m²-6mn+9n²)÷(m-3n)-(4m²-9n²)÷(2m-3n)化简,
(m²-6mn+9n²)÷(m-3n)-(4m²-9n²)÷(2m-3n)
=(m-3n)^2÷(m-3n)-(2m+3n)(2m-3n)÷(2m-3n)
=m-3n-(2m+3n)
=m-3n-2m-3n
=-m-6n