| 65493 | ( | 1 | + | x | ) | ( | 1 | + | x | ) | − | 65493 | = | 38249 10 |
| Left side of the equation = | 65493 | × | 1 | ( | 1 | + | x | ) | + | 65493 | x | ( | 1 | + | x | ) | − | 65493 |
| = | 65493 | ( | 1 | + | x | ) | + | 65493 | x | ( | 1 | + | x | ) | − | 65493 |
| = | 65493 | × | 1 | + | 65493 | x | + | 65493 | x | ( | 1 | + | x | ) | − | 65493 |
| = | 65493 | + | 65493 | x | + | 65493 | x | ( | 1 | + | x | ) | − | 65493 |
| = | 0 | + | 65493 | x | + | 65493 | x | ( | 1 | + | x | ) |
| = | 0 | + | 65493 | x | + | 65493 | x | × | 1 | + | 65493 | x | x |
| = | 0 | + | 65493 | x | + | 65493 | x | + | 65493 | x | x |
| = | 0 | + | 130986 | x | + | 65493 | x | x |
| 0 | + | 130986 | x | + | 65493 | x | x | = | 38249 10 |