a³-8-6a²+12a因式分解

分类: 作业答案 • 2023-01-04 15:19:56

问题描述：

a³-8-6a²+12a因式分解

答

a³-8-6a²+12a
=a³-2³-6a(a-2)
=(a-2)(a²+2a+4)-6a(a-2)
=(a-2)(a²-4a+4)
=(a-2)(a-2)²
=(a-2)³