| ( | 247 100 | x | ) | = | ( | 147 100 | x | + | 1 | ) | ( | 363 100 | x | − | 29 25 | ) |
| 方程左边 = | 247 100 | x |
247 100 | x | = | ( | 147 100 | x | + | 1 | ) | ( | 363 100 | x | − | 29 25 | ) |
| 方程右边 = | 147 100 | x | ( | 363 100 | x | − | 29 25 | ) | + | 1 | ( | 363 100 | x | − | 29 25 | ) |
| = | 147 100 | x | × | 363 100 | x | − | 147 100 | x | × | 29 25 | + | 1 | ( | 363 100 | x | − | 29 25 | ) |
| = | 53361 10000 | x | x | − | 4263 2500 | x | + | 1 | ( | 363 100 | x | − | 29 25 | ) |
| = | 53361 10000 | x | x | − | 4263 2500 | x | + | 1 | × | 363 100 | x | − | 1 | × | 29 25 |
| = | 53361 10000 | x | x | − | 4263 2500 | x | + | 363 100 | x | − | 29 25 |
| = | 53361 10000 | x | x | + | 1203 625 | x | − | 29 25 |
247 100 | x | = | 53361 10000 | x | x | + | 1203 625 | x | − | 29 25 |