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