| 1 | ÷ | ( | 2 | − | x | ) | × | ( | 2 | − | x | ) | − | 1 | ÷ | x | × | x | = | 0 |
| Multiply both sides of the equation by: | ( | 2 | − | x | ) |
| 1 | ( | 2 | − | x | ) | − | 1 | ÷ | 1 | × | 1 | ( | 2 | − | x | ) | = | 0 |
| 1 | × | 2 | − | 1 | x | − | 1 | ÷ | 1 | × | 1 | ( | 2 | − | x | ) | = | 0 |
| 2 | − | 1 | x | − | 1 | ( | 2 | − | x | ) | = | 0 |
| 2 | − | 1 | x | − | 1 | × | 2 | + | 1 | x | = | 0 |
| 2 | − | 1 | x | − | 2 | + | 1 | x | = | 0 |
| 0 | − | 0 | x | = | 0 |
| = | 0 | + | 0 |