| ( | 1 | − | X | ) | ÷ | ( | X | − | 2 | ) | − | ( | 1 | ÷ | ( | 2 | − | X | ) | ) | − | 3 | = | 0 |
| Multiply both sides of the equation by: | ( | X | − | 2 | ) |
| ( | 1 | − | X | ) | − | ( | 1 | ÷ | ( | 2 | − | X | ) | ) | ( | X | − | 2 | ) | − | 3 | ( | X | − | 2 | ) | = | 0 |
| 1 | − | X | − | ( | 1 | ÷ | ( | 2 | − | X | ) | ) | ( | X | − | 2 | ) | − | 3 | ( | X | − | 2 | ) | = | 0 |
| 1 | − | X | − | 1 | ÷ | ( | 2 | − | X | ) | × | ( | X | − | 2 | ) | − | 3 | ( | X | − | 2 | ) | = | 0 |
| Multiply both sides of the equation by: | ( | 2 | − | X | ) |
| 1 | ( | 2 | − | X | ) | − | X | ( | 2 | − | X | ) | − | 1 | ( | X | − | 2 | ) | − | 3 | ( | X | − | 2 | ) | ( | 2 | − | X | ) | = | 0 |
| 1 | × | 2 | − | 1 | X | − | X | ( | 2 | − | X | ) | − | 1 | ( | X | − | 2 | ) | − | 3 | ( | X | − | 2 | ) | ( | 2 | − | X | ) | = | 0 |
| 2 | − | 1 | X | − | X | ( | 2 | − | X | ) | − | 1 | ( | X | − | 2 | ) | − | 3 | ( | X | − | 2 | ) | ( | 2 | − | X | ) | = | 0 |
| 2 | − | 1 | X | − | X | × | 2 | + | X | X | − | 1 | ( | X | − | 2 | ) | − | 3 | ( | X | − | 2 | ) | ( | 2 | − | X | ) | = | 0 |
| 2 | − | 3 | X | + | X | X | − | 1 | ( | X | − | 2 | ) | − | 3 | ( | X | − | 2 | ) | ( | 2 | − | X | ) | = | 0 |
| 2 | − | 3 | X | + | X | X | − | 1 | X | + | 1 | × | 2 | − | 3 | ( | X | − | 2 | ) | ( | 2 | − | X | ) | = | 0 |
| 2 | − | 3 | X | + | X | X | − | 1 | X | + | 2 | − | 3 | ( | X | − | 2 | ) | ( | 2 | − | X | ) | = | 0 |
| 4 | − | 4 | X | + | X | X | − | 3 | ( | X | − | 2 | ) | ( | 2 | − | X | ) | = | 0 |
| 4 | − | 4 | X | + | X | X | − | 3 | X | ( | 2 | − | X | ) | + | 3 | × | 2 | ( | 2 | − | X | ) | = | 0 |
| 4 | − | 4 | X | + | X | X | − | 3 | X | ( | 2 | − | X | ) | + | 6 | ( | 2 | − | X | ) | = | 0 |
| 4 | − | 4 | X | + | X | X | − | 3 | X | × | 2 | + | 3 | X | X | + | 6 | = | 0 |
| 4 | − | 4 | X | + | X | X | − | 6 | X | + | 3 | X | X | + | 6 | ( | 2 | − | X | ) | = | 0 |
| 4 | − | 10 | X | + | X | X | + | 3 | X | X | + | 6 | ( | 2 | − | X | ) | = | 0 |
| 4 | − | 10 | X | + | X | X | + | 3 | X | X | + | 6 | × | 2 | − | 6 | X | = | 0 |
| 4 | − | 10 | X | + | X | X | + | 3 | X | X | + | 12 | − | 6 | X | = | 0 |
| 16 | − | 16 | X | + | X | X | + | 3 | X | X | = | 0 |