| ( | 91 100 | − | x | ) | × | 53777 10 | − | ( | 481 25 | + | x | ) | × | 133884 25 | = | 777568 25 |
| Left side of the equation = | 91 100 | × | 53777 10 | − | x | × | 53777 10 | − | ( | 481 25 | + | x | ) | × | 133884 25 |
| = | 4893707 1000 | − | x | × | 53777 10 | − | ( | 481 25 | + | x | ) | × | 133884 25 |
| = | 4893707 1000 | − | 53777 10 | x | − | 481 25 | × | 133884 25 | − | x | × | 133884 25 |
| = | 4893707 1000 | − | 53777 10 | x | − | 64398204 625 | − | x | × | 133884 25 |