| ( | X | − | 112 | ) | ( | X | − | 112 | ) | + | 2175 | × | 2175 | = | X | X |
| Left side of the equation = | ( | X | − | 112 | ) | ( | X | − | 112 | ) | + | 4730625 |
| ( | X | − | 112 | ) | ( | X | − | 112 | ) | + | 4730625 | = | X | X |
| Left side of the equation = | X | ( | X | − | 112 | ) | − | 112 | ( | X | − | 112 | ) | + | 4730625 |
| = | X | X | − | X | × | 112 | − | 112 | ( | X | − | 112 | ) | + | 4730625 |
| = | X | X | − | 112 | X | − | 112 | X | + | 112 | × | 112 | + | 4730625 |
| = | X | X | − | 112 | X | − | 112 | X | + | 12544 | + | 4730625 |
| = | X | X | − | 224 | X | + | 4743169 |
| X | X | − | 224 | X | + | 4743169 | = | X | X |