解方程:2⼀x^2+x+3⼀x^2-x-4⼀x^2-1=0

2024-12-15 07:08:40
推荐回答(1个)
回答1:

2/x^2+x+3/x^2-x-4/x^2-1=0
(2/x^2+3/x^2-4/x^2)+x-x-1=0
1/x^2-1=0
1/x^2=1
x^2=1
x=1或-1