Which statement best reflects the solution(s) of the equation? 1/x−1+2/x=x/x−1

There is only one solution: x = 1.
The solution x = 2 is an extraneous solution.

There is only one solution: x = 2.
The solution x = 1 is an extraneous solution.

There are two solutions: x = 1 and x = 2.

There is only one solution: x = 2.
The solution x = 0 is an extraneous solution.