1
Solve   x +
x
2
2
Solve   x +
x
2
3
Solve   x + x +
x
2
4
Solve   x + x +
x
2
5
Solve   (x - )
x
2
6
Solve   (x - )
x
2
7
Solve   (x - ) (x )
x
2
8
Solve    x -
x
2
9
Write all the possible integer values of x.
x -
Separate answers with commas.
2