| ( | x | − | 2 | ) | ( | x | − | 2 | ) | ( | x | − | 2 | ) | − | 3 | ( | x | − | 2 | ) | = | 2 |
| Left side of the equation = | x | ( | x | − | 2 | ) | ( | x | − | 2 | ) | − | 2 | ( | x | − | 2 | ) | ( | x | − | 2 | ) | − | 3 | ( | x | − | 2 | ) |
| = | x | x | ( | x | − | 2 | ) | − | x | × | 2 | ( | x | − | 2 | ) | − | 2 | ( | x | − | 2 | ) | ( | x | − | 2 | ) | − | 3 | ( | x | − | 2 | ) |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | ( | x | − | 2 | ) | − | 2 | ( | x | − | 2 | ) | ( | x | − | 2 | ) |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | x | × | 2 | × | 2 |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | x | × | 4 | − | 2 |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | 4 | x | − | 2 |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | 4 | x | − | 2 |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | 4 | x | − | 2 |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | 4 | x | − | 2 |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | 8 | x | − | 2 |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | 8 | x | − | 2 |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | 8 | x | − | 2 |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | 12 | x | − | 2 |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | 12 | x | − | 2 |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | 12 | x | − | 2 |
| = | x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | 9 | x | − | 2 |
| x | x | x | − | x | x | × | 2 | − | x | × | 2 | x | + | 9 | x | − | 2 | = | 2 |