| 45 | × | 1 1000000 | ÷ | ( | ( | x | + | 12 | ) | ( | x | + | 12 | ) | ) | − | 32 | × | 1 1000000 | ÷ | ( | x | x | ) | = | 0 |
| 方程两边同时乘以: | ( | ( | x | + | 12 | ) | ( | x | + | 12 | ) | ) |
| 45 | × | 1 1000000 | − | 32 | × | 1 1000000 | ÷ | ( | x | x | ) | × | ( | ( | x | + | 12 | ) | ( | x | + | 12 | ) | ) | = | 0 |
| 45 | × | 1 1000000 | − | 32 | × | 1 1000000 | ÷ | ( | x | x | ) | × | ( | x | + | 12 | ) | ( | x | + | 12 | ) | = | 0 |
9 200000 | − | 1 31250 | ÷ | ( | x | x | ) | × | ( | x | + | 12 | ) | ( | x | + | 12 | ) | = | 0 |
| 方程两边同时乘以: | ( | x | x | ) |
9 200000 | ( | x | x | ) | − | 1 31250 | ( | x | + | 12 | ) | ( | x | + | 12 | ) | = | 0 |
9 200000 | x | x | − | 1 31250 | ( | x | + | 12 | ) | ( | x | + | 12 | ) | = | 0 |
9 200000 | x | x | − | 1 31250 | x | ( | x | + | 12 | ) | − | 1 31250 | × | 12 | ( | x | + | 12 | ) | = | 0 |
9 200000 | x | x | − | 1 31250 | x | ( | x | + | 12 | ) | − | 6 15625 | ( | x | + | 12 | ) | = | 0 |
9 200000 | x | x | − | 1 31250 | x | x | − | 1 31250 | x | × | 12 | − | 6 15625 | ( | x | + | 12 | ) | = | 0 |
9 200000 | x | x | − | 1 31250 | x | x | − | 6 15625 | x | − | 6 15625 | ( | x | + | 12 | ) | = | 0 |
9 200000 | x | x | − | 1 31250 | x | x | − | 6 15625 | x | − | 6 15625 | x | − | 6 15625 | × | 12 | = | 0 |
9 200000 | x | x | − | 1 31250 | x | x | − | 6 15625 | x | − | 6 15625 | x | − | 72 15625 | = | 0 |
9 200000 | x | x | − | 1 31250 | x | x | − | 12 15625 | x | − | 72 15625 | = | 0 |
| x1= | - | 1097969 200000 |
| x2= | 639211 9900 |