x/(x-2)-1=8/x²-2 解方程

来源：学生作业学帮网编辑：学帮网时间：2024/06/03 01:30:41

x/(x-2)-1=8/(x²-2)
x/(x-2)-(x-2)/(x-2)=8/(x²-2)
(x-x+2)/(x-2)=8/(x²-2)
2/(x-2)=8/(x²-2)
8/(4x-8)=8/(x²-2)
4x-8=x²-2
x²-4x+6=0
Δ=(-4)²-4*1*6=16-24=-8