| x | ( | 1 10 | + | x | ) | × | 4157 | × | 523 100 | = | ( | 7 10 | − | x | ) | × | 1739 1000 |
| 方程左边 = | x | ( | 1 10 | + | x | ) | × | 2174111 100 |
| x | ( | 1 10 | + | x | ) | × | 2174111 100 | = | ( | 7 10 | − | x | ) | × | 1739 1000 |
| 方程左边 = | x | × | 1 10 | × | 2174111 100 | + | x | x | × | 2174111 100 |
| = | x | × | 2174111 1000 | + | x | x | × | 2174111 100 |
2174111 1000 | x | + | x | x | × | 2174111 100 | = | ( | 7 10 | − | x | ) | × | 1739 1000 |
| 方程右边 = | 7 10 | × | 1739 1000 | − | x | × | 1739 1000 |
| = | 12173 10000 | − | x | × | 1739 1000 |
2174111 1000 | x | + | x | x | × | 2174111 100 | = | 12173 10000 | − | 1739 1000 | x |
| x1=0 | ,它是方程的增解。 |