| ( | 32 | − | x | ) | ( | 32 | − | x | ) | − | x | x | = | 256 |
| Left side of the equation = | 32 | ( | 32 | − | x | ) | − | x | ( | 32 | − | x | ) | − | x | x |
| = | 32 | × | 32 | − | 32 | x | − | x | ( | 32 | − | x | ) | − | x | x |
| = | 1024 | − | 32 | x | − | x | ( | 32 | − | x | ) | − | x | x |
| = | 1024 | − | 32 | x | − | x | × | 32 | + | x | x | − | x | x |
| = | 1024 | − | 64 | x | + | x | x | − | x | x |
| 1024 | − | 64 | x | + | x | x | − | x | x | = | 256 |