学霸help me求过程最好有图更好谢谢
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/09 16:06:47
学霸help me求过程最好有图更好谢谢
![](http://img.wesiedu.com/upload/7/ad/7adb5e7a1b8da27e56451cc7695a1586.jpg)
![](http://img.wesiedu.com/upload/7/ad/7adb5e7a1b8da27e56451cc7695a1586.jpg)
![学霸help me求过程最好有图更好谢谢](/uploads/image/z/18094457-65-7.jpg?t=%E5%AD%A6%E9%9C%B8help+me%E6%B1%82%E8%BF%87%E7%A8%8B%E6%9C%80%E5%A5%BD%E6%9C%89%E5%9B%BE%E6%9B%B4%E5%A5%BD%E8%B0%A2%E8%B0%A2)
在这里要用到将11x换成12x-x来处理,
x^3-6x^2+11x-6
=x^3-x-(6x^2-12x+6)
=x(x^2-1)-6(x-1)^2
=x(x-1)(x+1)-6(x-1)^2
=(x-1)[x(x+1)-6(x-1)]
=(x-1)[x^2-5x+6]
所以m=-5,n=6
x^3-6x^2+11x-6
=x^3-x-(6x^2-12x+6)
=x(x^2-1)-6(x-1)^2
=x(x-1)(x+1)-6(x-1)^2
=(x-1)[x(x+1)-6(x-1)]
=(x-1)[x^2-5x+6]
所以m=-5,n=6