1 | ÷ | x | + | 1 | ÷ | ( | x | + | 1 | ) | + | 1 | ÷ | ( | x | + | 7 | ) | − | 1 | ÷ | ( | x | + | 5 | ) | = | 0 |
方程两边同时乘以: | x |
1 | + | 1 | ÷ | ( | x | + | 1 | ) | × | x | + | 1 | ÷ | ( | x | + | 7 | ) | × | x | − | 1 | ÷ | ( | x | + | 5 | ) | × | x | = | 0 |
方程两边同时乘以: | ( | x | + | 1 | ) |
1 | ( | x | + | 1 | ) | + | 1 | x | + | 1 | ÷ | ( | x | + | 7 | ) | × | x | ( | x | + | 1 | ) | − | 1 | ÷ | ( | x | + | 5 | ) | × | x | ( | x | + | 1 | ) | = | 0 |
1 | x | + | 1 | × | 1 | + | 1 | x | + | 1 | ÷ | ( | x | + | 7 | ) | × | x | ( | x | + | 1 | ) | − | 1 | ÷ | ( | x | + | 5 | ) | = | 0 |
1 | x | + | 1 | + | 1 | x | + | 1 | ÷ | ( | x | + | 7 | ) | × | x | ( | x | + | 1 | ) | − | 1 | ÷ | ( | x | + | 5 | ) | × | x | = | 0 |
2 | x | + | 1 | + | 1 | ÷ | ( | x | + | 7 | ) | × | x | ( | x | + | 1 | ) | − | 1 | ÷ | ( | x | + | 5 | ) | × | x | ( | x | + | 1 | ) | = | 0 |
方程两边同时乘以: | ( | x | + | 7 | ) |
2 | x | ( | x | + | 7 | ) | + | 1 | ( | x | + | 7 | ) | + | 1 | x | ( | x | + | 1 | ) | − | 1 | ÷ | ( | x | + | 5 | ) | × | x | ( | x | + | 1 | ) | = | 0 |
2 | x | x | + | 2 | x | × | 7 | + | 1 | ( | x | + | 7 | ) | + | 1 | x | ( | x | + | 1 | ) | − | 1 | = | 0 |
2 | x | x | + | 14 | x | + | 1 | ( | x | + | 7 | ) | + | 1 | x | ( | x | + | 1 | ) | − | 1 | ÷ | ( | x | + | 5 | ) | = | 0 |
方程两边同时乘以: | ( | x | + | 5 | ) |
2 | x | x | ( | x | + | 5 | ) | + | 14 | x | ( | x | + | 5 | ) | + | 1 | ( | x | + | 7 | ) | ( | x | + | 5 | ) | + | 1 | x | = | 0 |
2 | x | x | x | + | 2 | x | x | × | 5 | + | 14 | x | ( | x | + | 5 | ) | + | 1 | = | 0 |
2 | x | x | x | + | 10 | x | x | + | 14 | x | ( | x | + | 5 | ) | + | 1 | ( | x | + | 7 | ) | = | 0 |
2 | x | x | x | + | 10 | x | x | + | 14 | x | x | + | 14 | x | = | 0 |
2 | x | x | x | + | 10 | x | x | + | 14 | x | x | + | 70 | x | = | 0 |
2 | x | x | x | + | 10 | x | x | + | 14 | x | x | + | 70 | x | = | 0 |
2 | x | x | x | + | 10 | x | x | + | 14 | x | x | + | 70 | x | = | 0 |
2 | x | x | x | + | 10 | x | x | + | 14 | x | x | + | 70 | x | = | 0 |
2 | x | x | x | + | 10 | x | x | + | 14 | x | x | + | 70 | x | = | 0 |
2 | x | x | x | + | 10 | x | x | + | 14 | x | x | + | 75 | x | = | 0 |
2 | x | x | x | + | 10 | x | x | + | 14 | x | x | + | 75 | x | = | 0 |
2 | x | x | x | + | 10 | x | x | + | 14 | x | x | + | 75 | x | = | 0 |
2 | x | x | x | + | 10 | x | x | + | 14 | x | x | + | 82 | x | = | 0 |
2 | x | x | x | + | 10 | x | x | + | 14 | x | x | + | 82 | x | = | 0 |