解方程1-(x⼀(x-1))=x⼀(x&sup2-1)

2024-12-14 04:45:57
推荐回答(2个)
回答1:

两边乘以x^2-1:
x^2-1-x(x+1)=x
-1-x=x
x=-1/2,

回答2:

1-1-x=x-x
0-x=0
x=0