Math Is Fun Forum

I do not know where to start! Help me, please!
I have problem finding the solution to these inequalities:

1) |x² - x| - |x| < 1
2) |x| / (x – 2)² ≥ 1
3) ||x + 1| - |x - 1|| < 1
4) (√x² + 1) + 2x – 1 > 0
5) |x² -1| + |2 - x| < 2
6) 1 + |x - 1| / 1 - |x - 1| ≤ 1

Thanks!