3 2 | ÷ | ( | 5 | − | x | ) | + | 3 5 | ÷ | ( | 3 | − | x | ) | + | 3 10 | ÷ | ( | 1 | − | x | ) | + | 1 10 | ÷ | ( | 1 2 | − | x | ) | = | 0 |
| 方程两边同时乘以: | ( | 5 | − | x | ) |
3 2 | + | 3 5 | ÷ | ( | 3 | − | x | ) | × | ( | 5 | − | x | ) | + | 3 10 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | + | 1 10 | ÷ | ( | 1 2 | − | x | ) | × | ( | 5 | − | x | ) | = | 0 |
3 2 | + | 3 5 | ÷ | ( | 3 | − | x | ) | × | 5 | − | 3 5 | ÷ | ( | 3 | − | x | ) | × | x | + | 3 10 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | + | 1 10 | ÷ | ( | 1 2 | − | x | ) | = | 0 |
3 2 | + | 3 | ÷ | ( | 3 | − | x | ) | − | 3 5 | ÷ | ( | 3 | − | x | ) | × | x | + | 3 10 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | + | 1 10 | ÷ | ( | 1 2 | − | x | ) | × | ( | 5 | − | x | ) | = | 0 |
| 方程两边同时乘以: | ( | 3 | − | x | ) |
3 2 | ( | 3 | − | x | ) | + | 3 | − | 3 5 | x | + | 3 10 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | ( | 3 | − | x | ) | + | 1 10 | ÷ | ( | 1 2 | − | x | ) | × | ( | 5 | − | x | ) | = | 0 |
3 2 | × | 3 | − | 3 2 | x | + | 3 | − | 3 5 | x | + | 3 10 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | ( | 3 | − | x | ) | + | 1 10 | = | 0 |
9 2 | − | 3 2 | x | + | 3 | − | 3 5 | x | + | 3 10 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | ( | 3 | − | x | ) | + | 1 10 | ÷ | ( | 1 2 | − | x | ) | = | 0 |
15 2 | − | 21 10 | x | + | 3 10 | ÷ | ( | 1 | − | x | ) | × | ( | 5 | − | x | ) | ( | 3 | − | x | ) | + | 1 10 | ÷ | ( | 1 2 | − | x | ) | × | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
| 方程两边同时乘以: | ( | 1 | − | x | ) |
15 2 | ( | 1 | − | x | ) | − | 21 10 | x | ( | 1 | − | x | ) | + | 3 10 | ( | 5 | − | x | ) | ( | 3 | − | x | ) | + | 1 10 | ÷ | ( | 1 2 | − | x | ) | × | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
15 2 | × | 1 | − | 15 2 | x | − | 21 10 | x | ( | 1 | − | x | ) | + | 3 10 | ( | 5 | − | x | ) | ( | 3 | − | x | ) | + | 1 10 | ÷ | ( | 1 2 | − | x | ) | = | 0 |
15 2 | − | 15 2 | x | − | 21 10 | x | ( | 1 | − | x | ) | + | 3 10 | ( | 5 | − | x | ) | ( | 3 | − | x | ) | + | 1 10 | ÷ | ( | 1 2 | − | x | ) | × | ( | 5 | − | x | ) | = | 0 |
| 方程两边同时乘以: | ( | 1 2 | − | x | ) |
15 2 | ( | 1 2 | − | x | ) | − | 15 2 | x | ( | 1 2 | − | x | ) | − | 21 10 | x | ( | 1 | − | x | ) | ( | 1 2 | − | x | ) | + | 3 10 | ( | 5 | − | x | ) | ( | 3 | − | x | ) | = | 0 |
15 2 | × | 1 2 | − | 15 2 | x | − | 15 2 | x | ( | 1 2 | − | x | ) | − | 21 10 | x | ( | 1 | − | x | ) | ( | 1 2 | − | x | ) | + | 3 10 | = | 0 |
15 4 | − | 15 2 | x | − | 15 2 | x | ( | 1 2 | − | x | ) | − | 21 10 | x | ( | 1 | − | x | ) | ( | 1 2 | − | x | ) | + | 3 10 | ( | 5 | − | x | ) | = | 0 |
15 4 | − | 15 2 | x | − | 15 2 | x | × | 1 2 | + | 15 2 | x | x | − | 21 10 | x | ( | 1 | − | x | ) | = | 0 |
15 4 | − | 15 2 | x | − | 15 4 | x | + | 15 2 | x | x | − | 21 10 | x | ( | 1 | − | x | ) | ( | 1 2 | − | x | ) | = | 0 |
15 4 | − | 45 4 | x | + | 15 2 | x | x | − | 21 10 | x | ( | 1 | − | x | ) | ( | 1 2 | − | x | ) | + | 3 10 | ( | 5 | − | x | ) | = | 0 |
15 4 | − | 45 4 | x | + | 15 2 | x | x | − | 21 10 | x | × | 1 | ( | 1 2 | − | x | ) | + | 21 10 | x | = | 0 |
15 4 | − | 45 4 | x | + | 15 2 | x | x | − | 21 10 | x | ( | 1 2 | − | x | ) | + | 21 10 | x | x | = | 0 |
15 4 | − | 45 4 | x | + | 15 2 | x | x | − | 21 10 | x | × | 1 2 | + | 21 10 | x | x | = | 0 |
15 4 | − | 45 4 | x | + | 15 2 | x | x | − | 21 20 | x | + | 21 10 | x | x | + | 21 10 | = | 0 |
15 4 | − | 123 10 | x | + | 15 2 | x | x | + | 21 10 | x | x | + | 21 10 | x | x | = | 0 |
15 4 | − | 123 10 | x | + | 15 2 | x | x | + | 21 10 | x | x | + | 21 10 | x | x | = | 0 |