x | ÷ | ( | x | − | 1 | ) | = | ( | x | − | 1 | ) | ÷ | ( | 2 | x | − | 2 | ) |
方程两边同时乘以: | ( | x | − | 1 | ) | , | ( | 2 | x | − | 2 | ) |
x | ( | 2 | x | − | 2 | ) | = | ( | x | − | 1 | ) | ( | x | − | 1 | ) |
x | × | 2 | x | − | x | × | 2 | = | ( | x | − | 1 | ) | ( | x | − | 1 | ) |
x | × | 2 | x | − | x | × | 2 | = | x | ( | x | − | 1 | ) | − | 1 | ( | x | − | 1 | ) |
x | × | 2 | x | − | 2 | x | = | x | x | − | x | × | 1 | − | 1 | ( | x | − | 1 | ) |
x | × | 2 | x | − | 2 | x | = | x | x | − | 1 | x | − | 1 | x | + | 1 | × | 1 |
x | × | 2 | x | − | 2 | x | = | x | x | − | 1 | x | − | 1 | x | + | 1 |
x | × | 2 | x | − | 2 | x | = | x | x | − | 2 | x | + | 1 |