| x | − | ( | ( | ( | ( | 324986 25 | + | x | ) | − | 15000 | − | 200169 100 | ) | x | × | 3 100 | ) | − | 4449 50 | ) | − | 66723 100 | = | 9136 |
| 方程左边 = | x | − | ( | ( | ( | 324986 25 | + | x | ) | − | 15000 | − | 200169 100 | ) | x | × | 3 100 | ) | + | 4449 50 | − | 66723 100 |
| = | x | − | ( | ( | ( | 324986 25 | + | x | ) | − | 15000 | − | 200169 100 | ) | x | × | 3 100 | ) | − | 2313 4 |
| = | x | − | ( | ( | 324986 25 | + | x | ) | − | 15000 | − | 200169 100 | ) | x | × | 3 100 | − | 2313 4 |
| = | x | − | ( | 324986 25 | + | x | ) | x | × | 3 100 | + | 15000 | x | × | 3 100 | + | 200169 100 | x | × | 3 100 | − | 2313 4 |
| = | x | − | ( | 324986 25 | + | x | ) | x | × | 3 100 | + | 450 | x | + | 600507 10000 | x | − | 2313 4 |
| = | 5110507 10000 | x | − | ( | 324986 25 | + | x | ) | x | × | 3 100 | − | 2313 4 |
| = | 5110507 10000 | x | − | 324986 25 | x | × | 3 100 | − | x | x | × | 3 100 | − | 2313 4 |
| = | 5110507 10000 | x | − | 487479 1250 | x | − | x | x | × | 3 100 | − | 2313 4 |
| = | 48427 400 | x | − | x | x | × | 3 100 | − | 2313 4 |
48427 400 | x | − | x | x | × | 3 100 | − | 2313 4 | = | 9136 |