| 1 | = | ( | - | 9 2 | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) |
| Right side of the equation = | - | 9 2 | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) |
| = | - | 9 2 | X | × | 1 | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | − | 9 2 | X | X | ( | 1 | + | X | ) |
| = | - | 9 2 | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | − | 9 2 | X | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) |
| = | - | 9 2 | X | × | 1 | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | − | 9 2 | X | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) |
| = | - | 9 2 | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | − | 9 2 | X | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) |
| = | - | 9 2 | X | × | 1 | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | − | 9 2 | X | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) |
| = | - | 9 2 | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | − | 9 2 | X | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) | ( | 1 | + | X | ) | − | 9 2 |
| = | - | 9 2 | X | × | 1 | ( | 1 | + | X | ) | ( | 1 | + | X | ) | − | 9 2 | X | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) | − | 9 2 | X |
| = | - | 9 2 | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) | − | 9 2 | X | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) | − | 9 2 | X | X |
| = | - | 9 2 | X | × | 1 | ( | 1 | + | X | ) | − | 9 2 | X | X | ( | 1 | + | X | ) | − | 9 2 | X | X | ( | 1 | + | X | ) |
| = | - | 9 2 | X | ( | 1 | + | X | ) | − | 9 2 | X | X | ( | 1 | + | X | ) | − | 9 2 | X | X | ( | 1 | + | X | ) | ( | 1 | + | X | ) |
| = | - | 9 2 | X | × | 1 | − | 9 2 | X | X | − | 9 2 | X | X | ( | 1 | + | X | ) | − | 9 2 | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | ( | 1 | + | X | ) | − | 9 2 | X | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | × | 1 | − | 9 2 | X | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | − | 9 2 | X | X | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | − | 9 2 | X | X | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | − | 9 2 | X | X | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | − | 9 2 | X | X | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | − | 9 2 | X | X | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | − | 9 2 | X | X | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | − | 9 2 | X | X | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | − | 9 2 | X | X | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | − | 9 2 | X | X | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | − | 9 2 | X | X | X |
| = | - | 9 2 | X | − | 9 2 | X | X | − | 9 2 | X | X | − | 9 2 | X | X | X |