(x-1)的平方-5/x-1/-6=0 计算

(x-1)的平方-5/x-1/-6=0 计算
(x-1)的平方-5/x-1/-6=0 计算

(x-1)的平方-5/x-1/-6=0 计算
当x>=1时
(x-1)^2-5/x-1/-6=0
(x-1)^2-5(x-1)-6=0
(x-1-6)(x-1+1)=0
x(x-7)=0
x=7或x=0(舍去)
当x<1时
(x-1)^2-5/x-1/-6=0
(x-1)^2+5(x-1)-6=0
(x-1+6)(x-1-1)=0
(x+5)(x-2)=0
x=-5或x=2 (舍去)
所以当x>=1时,x=7
当x<1时,x=-5