| ( | 97 10 | − | 2 | x | ) | ( | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 11499 50 | ) | = | 6122 5 |
| 方程左边 = | 97 10 | ( | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 11499 50 | ) | − | 2 | x | ( | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 11499 50 | ) |
| = | 97 10 | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 97 10 | × | 11499 50 | − | 2 | x | ( | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 11499 50 | ) |
| = | 97 10 | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 1115403 500 | − | 2 | x | ( | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 11499 50 | ) |
| = | 97 10 | × | 303 10 | ( | 121 10 | + | 2 | x | ) | + | 97 10 | × | 2 | x | ( | 121 10 | + | 2 | x | ) | − | 1115403 500 | − | 2 | x | ( | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 11499 50 | ) |
| = | 29391 100 | ( | 121 10 | + | 2 | x | ) | + | 97 5 | x | ( | 121 10 | + | 2 | x | ) | − | 1115403 500 | − | 2 | x | ( | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 11499 50 | ) |
| = | 29391 100 | × | 121 10 | + | 29391 100 | × | 2 | x | + | 97 5 | x | ( | 121 10 | + | 2 | x | ) | − | 1115403 500 | − | 2 | x | ( | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 11499 50 | ) |
| = | 3556311 1000 | + | 29391 50 | x | + | 97 5 | x | ( | 121 10 | + | 2 | x | ) | − | 1115403 500 | − | 2 | x | ( | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 11499 50 | ) |
| = | 265101 200 | + | 29391 50 | x | + | 97 5 | x | ( | 121 10 | + | 2 | x | ) | − | 2 | x | ( | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 11499 50 | ) |
| = | 265101 200 | + | 29391 50 | x | + | 97 5 | x | × | 121 10 | + | 97 5 | x | × | 2 | x | − | 2 | x |
| = | 265101 200 | + | 29391 50 | x | + | 11737 50 | x | + | 194 5 | x | x | − | 2 | x | ( | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 11499 50 | ) |
| = | 265101 200 | + | 20564 25 | x | + | 194 5 | x | x | − | 2 | x | ( | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | − | 11499 50 | ) |
| = | 265101 200 | + | 20564 25 | x | + | 194 5 | x | x | − | 2 | x | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | + | 2 | x |
| = | 265101 200 | + | 20564 25 | x | + | 194 5 | x | x | − | 2 | x | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) | + | 11499 25 | x |
| = | 265101 200 | + | 32063 25 | x | + | 194 5 | x | x | − | 2 | x | ( | 303 10 | + | 2 | x | ) | ( | 121 10 | + | 2 | x | ) |
| = | 265101 200 | + | 32063 25 | x | + | 194 5 | x | x | − | 2 | x | × | 303 10 | ( | 121 10 | + | 2 | x | ) | − | 2 | x |
| = | 265101 200 | + | 32063 25 | x | + | 194 5 | x | x | − | 303 5 | x | ( | 121 10 | + | 2 | x | ) | − | 4 | x | x |
| = | 265101 200 | + | 32063 25 | x | + | 194 5 | x | x | − | 303 5 | x | × | 121 10 | − | 303 5 | x | × | 2 |
| = | 265101 200 | + | 32063 25 | x | + | 194 5 | x | x | − | 36663 50 | x | − | 606 5 | x | x | − | 4 |
| = | 265101 200 | + | 27463 50 | x | + | 194 5 | x | x | − | 606 5 | x | x | − | 4 | x | x |
| = | 265101 200 | + | 27463 50 | x | + | 194 5 | x | x | − | 606 5 | x | x | − | 4 | x | x |
| = | 265101 200 | + | 27463 50 | x | + | 194 5 | x | x | − | 606 5 | x | x | − | 242 5 | x | x |
265101 200 | + | 27463 50 | x | + | 194 5 | x | x | − | 606 5 | x | x | − | 242 5 | x | x | = | 6122 5 |