分解因式 2n^3-3n^2+3n-1

分类: 作业答案 • 2022-04-07 16:58:54

问题描述：

分解因式 2n^3-3n^2+3n-1

答

解2n^3-3n^2+3n-1
=n(2n-1)(n-1)+2n-1
=(2n-1)(n^2-n+1)详细点在加10分2n^3-3n^2+3n-1=(2n^3-3n^2+n)+2n+1=n(2n^2-3n+1)+2n-1=n(2n-1)(n-1)+2n-1=(2n-1)(n^2-n+1)