作业帮 > 数学 > 作业

(x²-6x)(x²-6x+18)+81因式分解,

来源:学生作业帮 编辑:拍题作业网作业帮 分类:数学作业 时间:2024/04/17 00:53:16
(x²-6x)(x²-6x+18)+81因式分解,
(x²-6x)(x²-6x+18)+81
=(x²-6x+9 -9)(x²-6x+9 +9)+81
=(x²-6x+9)²-9²+81
=(x²-6x+9)²
=((x-3)²)²
=(x-3)^4