( | x | − | 2 | ) | ÷ | x | − | 3 | ÷ | ( | x | − | 2 | ) | = | 1 |
方程两边同时乘以: | x |
( | x | − | 2 | ) | − | 3 | ÷ | ( | x | − | 2 | ) | × | x | = | 1 | x |
x | − | 2 | − | 3 | ÷ | ( | x | − | 2 | ) | × | x | = | 1 | x |
方程两边同时乘以: | ( | x | − | 2 | ) |
x | ( | x | − | 2 | ) | − | 2 | ( | x | − | 2 | ) | − | 3 | x | = | 1 | x | ( | x | − | 2 | ) |
x | x | − | x | × | 2 | − | 2 | ( | x | − | 2 | ) | − | 3 | x | = | 1 | x | ( | x | − | 2 | ) |
x | x | − | x | × | 2 | − | 2 | ( | x | − | 2 | ) | − | 3 | x | = | 1 | x | x | − | 1 | x | × | 2 |
x | x | − | x | × | 2 | − | 2 | ( | x | − | 2 | ) | − | 3 | x | = | 1 | x | x | − | 2 | x |
x | x | − | 5 | x | − | 2 | ( | x | − | 2 | ) | = | 1 | x | x | − | 2 | x |
x | x | − | 5 | x | − | 2 | x | + | 2 | × | 2 | = | 1 | x | x | − | 2 | x |
x | x | − | 5 | x | − | 2 | x | + | 4 | = | 1 | x | x | − | 2 | x |
x | x | − | 7 | x | + | 4 | = | 1 | x | x | − | 2 | x |
x1= | 4 5 |