17 2 | x | + | 84 5 | ( | 1000 | − | x | ) | = | 0 |
| 方程左边 = | 17 2 | x | + | 84 5 | × | 1000 | − | 84 5 | x |
| = | 17 2 | x | + | 16800 | − | 84 5 | x |
| = | - | 83 10 | x | + | 16800 |
| - | 83 10 | x | + | 16800 | = | 0 |
| - | 83 10 | x | = | 0 | − | 16800 |
| - | 83 10 | x | = | - | 16800 |
| 16800 | = | 83 10 | x |
83 10 | x | = | 16800 |
| x | = | 16800 | ÷ | 83 10 |
| = | 16800 | × | 10 83 |
| x | = | 168000 83 |
| x | = | 2024.096386 |