| 2 | ÷ | ( | 5 | − | x | ) | + | 3 5 | ÷ | ( | 3 | − | x | ) | + | 2 5 | ÷ | ( | 1 | − | x | ) | = | 0 |
| 方程两边同时乘以: | ( | 5 | − | x | ) |
| 2 | + | 3 5 | ÷ | ( | 3 | − | x | ) | × | ( | 5 | − | x | ) | + | 2 5 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | = | 0 |
| 2 | + | 3 5 | ÷ | ( | 3 | − | x | ) | × | 5 | − | 3 5 | ÷ | ( | 3 | − | x | ) | × | x | + | 2 5 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | = | 0 |
| 2 | + | 3 | ÷ | ( | 3 | − | x | ) | − | 3 5 | ÷ | ( | 3 | − | x | ) | × | x | + | 2 5 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | = | 0 |
| 方程两边同时乘以: | ( | 3 | − | x | ) |
| 2 | ( | 3 | − | x | ) | + | 3 | − | 3 5 | x | + | 2 5 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
| 2 | × | 3 | − | 2 | x | + | 3 | − | 3 5 | x | + | 2 5 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
| 6 | − | 2 | x | + | 3 | − | 3 5 | x | + | 2 5 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
| 9 | − | 13 5 | x | + | 2 5 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
| 方程两边同时乘以: | ( | 1 | − | x | ) |
| 9 | ( | 1 | − | x | ) | − | 13 5 | x | ( | 1 | − | x | ) | + | 2 5 | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
| 9 | × | 1 | − | 9 | x | − | 13 5 | x | ( | 1 | − | x | ) | + | 2 5 | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
| 9 | − | 9 | x | − | 13 5 | x | ( | 1 | − | x | ) | + | 2 5 | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
| 9 | − | 9 | x | − | 13 5 | x | × | 1 | + | 13 5 | x | x | + | 2 5 | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
| 9 | − | 9 | x | − | 13 5 | x | + | 13 5 | x | x | + | 2 5 | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
| 9 | − | 58 5 | x | + | 13 5 | x | x | + | 2 5 | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
| 9 | − | 58 5 | x | + | 13 5 | x | x | + | 2 5 | × | 5 | ( | 3 | − | x | ) | − | 2 5 | x | ( | 3 | − | x | ) | = | 0 |
| 9 | − | 58 5 | x | + | 13 5 | x | x | + | 2 | ( | 3 | − | x | ) | − | 2 5 | x | ( | 3 | − | x | ) | = | 0 |
| 9 | − | 58 5 | x | + | 13 5 | x | x | + | 2 | × | 3 | − | 2 | x | − | 2 5 | x | = | 0 |
| 9 | − | 58 5 | x | + | 13 5 | x | x | + | 6 | − | 2 | x | − | 2 5 | x | ( | 3 | − | x | ) | = | 0 |
| 15 | − | 68 5 | x | + | 13 5 | x | x | − | 2 5 | x | ( | 3 | − | x | ) | = | 0 |
| 15 | − | 68 5 | x | + | 13 5 | x | x | − | 2 5 | x | × | 3 | + | 2 5 | x | x | = | 0 |
| 15 | − | 68 5 | x | + | 13 5 | x | x | − | 6 5 | x | + | 2 5 | x | x | = | 0 |
| 15 | − | 74 5 | x | + | 13 5 | x | x | + | 2 5 | x | x | = | 0 |