| ( | 211 1250 | − | x | ) | ÷ | ( | 1 | − | x | ) | − | x | = | 1507294 25 |
| 方程两边同时乘以: | ( | 1 | − | x | ) |
| ( | 211 1250 | − | x | ) | − | x | ( | 1 | − | x | ) | = | 1507294 25 | ( | 1 | − | x | ) |
211 1250 | − | x | − | x | ( | 1 | − | x | ) | = | 1507294 25 | ( | 1 | − | x | ) |
211 1250 | − | x | − | x | ( | 1 | − | x | ) | = | 1507294 25 | × | 1 | − | 1507294 25 | x |
211 1250 | − | x | − | x | ( | 1 | − | x | ) | = | 1507294 25 | − | 1507294 25 | x |
211 1250 | − | x | − | x | × | 1 | + | x | x | = | 1507294 25 | − | 1507294 25 | x |
211 1250 | − | 2 | x | + | x | x | = | 1507294 25 | − | 1507294 25 | x |