5555555~谁能因式分解这个算式(2m-3n)*(2m-3n)-2m+3n=?

问题描述:

5555555~谁能因式分解这个算式(2m-3n)*(2m-3n)-2m+3n=?

(2m-3n)*(2m-3n)-(2m-3n)=(2m-3n)*(2m-3m-1)

(2m-3n)*(2m-3n)-2m+3n
=(2m-3n)*(2m-3n)-(2m-3n)
=(2m-3n)(2m-3n-1)