因式分解:3n^2-4mn+m^2
问题描述:
因式分解:3n^2-4mn+m^2
答
(3n-m)(n-m)
答
(3n-m)(n-m)
答
=(3n-m)(n-m)
答
(n-m)(3n-m)
答
3n^2-4mn+m^2
=(3n-m)(n-m)