| 0 | = | 1 125000 | x | × | 4 | − | 3 10000 | x | × | 3 | − | 9 10000 | x | × | 2 | + | 297 2500 | x | + | 353 1000 |
| 方程右边 = | 1 31250 | x | − | 9 10000 | x | − | 9 5000 | x | + | 297 2500 | x | + | 353 1000 |
| = | 29033 250000 | x | + | 353 1000 |
| 0 | = | 29033 250000 | x | + | 353 1000 |
| - | 29033 250000 | x | = | 353 1000 | − | 0 |
| - | 29033 250000 | x | = | 353 1000 |
| - | 353 1000 | = | 29033 250000 | x |
29033 250000 | x | = | - | 353 1000 |
| x | = | - | 353 1000 | ÷ | 29033 250000 |
| = | - | 353 1000 | × | 250000 29033 |
| = | - | 353 | × | 250 29033 |
| x | = | - | 88250 29033 |
| x | = | - 3.039645 |