| ( | x | − | 37 100 | ) | ( | x | − | 17 50 | ) | − | 1089 10000 | = | 0 |
| Left side of the equation = | x | ( | x | − | 17 50 | ) | − | 37 100 | ( | x | − | 17 50 | ) | − | 1089 10000 |
| = | x | x | − | x | × | 17 50 | − | 37 100 | ( | x | − | 17 50 | ) | − | 1089 10000 |
| = | x | x | − | 17 50 | x | − | 37 100 | x | + | 37 100 | × | 17 50 | − | 1089 10000 |
| = | x | x | − | 17 50 | x | − | 37 100 | x | + | 629 5000 | − | 1089 10000 |
| = | x | x | − | 71 100 | x | + | 169 10000 |
| x | x | − | 71 100 | x | + | 169 10000 | = | 0 |