| 374469 | x | × | 2 | − | 394056 | x | + | 103792 | = | 0 |
| 方程左边 = | 748938 | x | − | 394056 | x | + | 103792 |
| = | 354882 | x | + | 103792 |
| 354882 | x | + | 103792 | = | 0 |
| 354882 | x | = | 0 | − | 103792 |
| 354882 | x | = | - | 103792 |
| x | = | - | 103792 | ÷ | 354882 |
| = | - | 103792 | × | 1 354882 |
| = | - | 51896 | × | 1 177441 |
| x | = | - | 51896 177441 |
| x | = | - 0.292469 |