x²-4x+1=0 3(x-2)²=(x-2)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/15 09:07:33
![x²-4x+1=0 3(x-2)²=(x-2)](/uploads/image/z/1084782-30-2.jpg?t=x%26%23178%3B-4x%2B1%3D0+3%EF%BC%88x-2%EF%BC%89%26%23178%3B%3D%EF%BC%88x-2%EF%BC%89)
x)PS64565P0~BN-oTOj;Msi;хLlB@aPG\[#$N8_.uB4Ta,q&E0ښ+T)$ف WP
x²-4x+1=0 3(x-2)²=(x-2)
x²-4x+1=0 3(x-2)²=(x-2)
x²-4x+1=0 3(x-2)²=(x-2)
x平方-4x+1=0
x平方-4x+4=3
(x-2)平方=3
x-2=±√3
x=2±√3
3(x-2)平方=(x-2)
3(x-2)平方-(x-2)=0
[3(x-2)-1](x-2)=0
(3x-7)(x-2)=0
x1=7/3 x2=2