因式分解,速回﹙x²﹚²+2x³-9x²-2x+8
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 00:58:39
![因式分解,速回﹙x²﹚²+2x³-9x²-2x+8](/uploads/image/z/10214923-67-3.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%2C%E9%80%9F%E5%9B%9E%EF%B9%99x%26%23178%3B%EF%B9%9A%26%23178%3B%EF%BC%8B2x%26%23179%3B%EF%BC%8D9x%26%23178%3B%EF%BC%8D2x%EF%BC%8B8)
因式分解,速回﹙x²﹚²+2x³-9x²-2x+8
因式分解,速回
﹙x²﹚²+2x³-9x²-2x+8
因式分解,速回﹙x²﹚²+2x³-9x²-2x+8
(x²)²+2x³-9x²-2x+8
=【(x²)²-9x²+8】+2x³-2x
=(x²-1)(x²-8)+2x(x²-1)
=(x²-1)(x²-8+2x)
=(x+1)(x-1)(x+4)(x-2)
题目对吗
buzhidao