| 1 | ( | x | + | 5 | ) | + | 2 | ÷ | ( | x | + | 4 | ) | − | 3 | ÷ | ( | x | + | 3 | ) | − | 3 | ÷ | ( | x | + | 2 | ) | + | 2 | ÷ | ( | x | + | 1 | ) | + | 1 | ÷ | x | = | 0 |
| 方程两边同时乘以: | ( | x | + | 4 | ) |
| 1 | ( | x | + | 5 | ) | ( | x | + | 4 | ) | + | 2 | − | 3 | ÷ | ( | x | + | 3 | ) | × | ( | x | + | 4 | ) | − | 3 | ÷ | ( | x | + | 2 | ) | × | ( | x | + | 4 | ) | + | 2 | ÷ | ( | x | + | 1 | ) | = | 0 |
| 1 | x | ( | x | + | 4 | ) | + | 1 | × | 5 | ( | x | + | 4 | ) | + | 2 | − | 3 | ÷ | ( | x | + | 3 | ) | × | ( | x | + | 4 | ) | − | 3 | ÷ | ( | x | + | 2 | ) | = | 0 |
| 1 | x | ( | x | + | 4 | ) | + | 5 | ( | x | + | 4 | ) | + | 2 | − | 3 | ÷ | ( | x | + | 3 | ) | × | ( | x | + | 4 | ) | − | 3 | ÷ | ( | x | + | 2 | ) | × | ( | x | + | 4 | ) | = | 0 |
| 方程两边同时乘以: | ( | x | + | 3 | ) |
| 1 | x | ( | x | + | 4 | ) | ( | x | + | 3 | ) | + | 5 | ( | x | + | 4 | ) | ( | x | + | 3 | ) | + | 2 | ( | x | + | 3 | ) | − | 3 | ( | x | + | 4 | ) | − | 3 | = | 0 |
| 1 | x | x | ( | x | + | 3 | ) | + | 1 | x | × | 4 | ( | x | + | 3 | ) | + | 5 | ( | x | + | 4 | ) | ( | x | + | 3 | ) | + | 2 | = | 0 |
| 1 | x | x | ( | x | + | 3 | ) | + | 4 | x | ( | x | + | 3 | ) | + | 5 | ( | x | + | 4 | ) | ( | x | + | 3 | ) | + | 2 | ( | x | + | 3 | ) | = | 0 |
| 方程两边同时乘以: | ( | x | + | 2 | ) |
| 1 | x | x | ( | x | + | 3 | ) | ( | x | + | 2 | ) | + | 4 | x | ( | x | + | 3 | ) | ( | x | + | 2 | ) | + | 5 | ( | x | + | 4 | ) | ( | x | + | 3 | ) | = | 0 |
| 1 | x | x | x | ( | x | + | 2 | ) | + | 1 | x | x | × | 3 | ( | x | + | 2 | ) | + | 4 | x | = | 0 |
| 1 | x | x | x | ( | x | + | 2 | ) | + | 3 | x | x | ( | x | + | 2 | ) | + | 4 | x | ( | x | + | 3 | ) | = | 0 |
| 方程两边同时乘以: | ( | x | + | 1 | ) |
| 1 | x | x | x | ( | x | + | 2 | ) | ( | x | + | 1 | ) | + | 3 | x | x | ( | x | + | 2 | ) | ( | x | + | 1 | ) | + | 4 | = | 0 |
| 1 | x | x | x | x | ( | x | + | 1 | ) | + | 1 | x | x | x | × | 2 | ( | x | + | 1 | ) | = | 0 |
| 1 | x | x | x | x | ( | x | + | 1 | ) | + | 2 | x | x | x | ( | x | + | 1 | ) | + | 3 | = | 0 |
| 方程两边同时乘以: | x |
| 1 | x | x | x | x | ( | x | + | 1 | ) | x | + | 2 | x | x | x | ( | x | + | 1 | ) | = | 0 |
| 1 | x | x | x | x | x | x | + | 1 | x | x | x | x | = | 0 |
| 1 | x | x | x | x | x | x | + | 1 | x | x | x | x | = | 0 |
| 1 | x | x | x | x | x | x | + | 1 | x | x | x | x | = | 0 |
| 1 | x | x | x | x | x | x | + | 1 | x | x | x | x | = | 0 |
| 1 | x | x | x | x | x | x | + | 1 | x | x | x | x | = | 0 |
| 1 | x | x | x | x | x | x | + | 1 | x | x | x | x | = | 0 |
| 1 | x | x | x | x | x | x | + | 1 | x | x | x | x | = | 0 |
| 1 | x | x | x | x | x | x | + | 1 | x | x | x | x | = | 0 |