| 1 | ÷ | x | + | 1 | ÷ | ( | x | + | 2 | ) | + | 1 | ÷ | ( | x | + | 10 | ) | = | 0 |
| 方程两边同时乘以: | x |
| 1 | + | 1 | ÷ | ( | x | + | 2 | ) | × | x | + | 1 | ÷ | ( | x | + | 10 | ) | × | x | = | 0 |
| 方程两边同时乘以: | ( | x | + | 2 | ) |
| 1 | ( | x | + | 2 | ) | + | 1 | x | + | 1 | ÷ | ( | x | + | 10 | ) | × | x | ( | x | + | 2 | ) | = | 0 |
| 1 | x | + | 1 | × | 2 | + | 1 | x | + | 1 | ÷ | ( | x | + | 10 | ) | × | x | ( | x | + | 2 | ) | = | 0 |
| 1 | x | + | 2 | + | 1 | x | + | 1 | ÷ | ( | x | + | 10 | ) | × | x | ( | x | + | 2 | ) | = | 0 |
| 2 | x | + | 2 | + | 1 | ÷ | ( | x | + | 10 | ) | × | x | ( | x | + | 2 | ) | = | 0 |
| 方程两边同时乘以: | ( | x | + | 10 | ) |
| 2 | x | ( | x | + | 10 | ) | + | 2 | ( | x | + | 10 | ) | + | 1 | x | ( | x | + | 2 | ) | = | 0 |
| 2 | x | x | + | 2 | x | × | 10 | + | 2 | ( | x | + | 10 | ) | + | 1 | x | ( | x | + | 2 | ) | = | 0 |
| 2 | x | x | + | 20 | x | + | 2 | ( | x | + | 10 | ) | + | 1 | x | ( | x | + | 2 | ) | = | 0 |
| 2 | x | x | + | 20 | x | + | 2 | x | + | 2 | × | 10 | + | 1 | x | ( | x | + | 2 | ) | = | 0 |
| 2 | x | x | + | 20 | x | + | 2 | x | + | 20 | + | 1 | x | ( | x | + | 2 | ) | = | 0 |
| 2 | x | x | + | 22 | x | + | 20 | + | 1 | x | ( | x | + | 2 | ) | = | 0 |
| 2 | x | x | + | 22 | x | + | 20 | + | 1 | x | x | + | 1 | x | × | 2 | = | 0 |
| 2 | x | x | + | 22 | x | + | 20 | + | 1 | x | x | + | 2 | x | = | 0 |
| 2 | x | x | + | 24 | x | + | 20 | + | 1 | x | x | = | 0 |