Which integers xxx satisfy the equation x2≡x(mod6)x^2 \equiv x \pmod{6}x2≡x(mod6)?
0,10, 10,1
0,1,3,40, 1, 3, 40,1,3,4
1,2,31, 2, 31,2,3
0,1,20, 1, 20,1,2