| ( | 7638 125 | x | × | 1 | + | 38363 1000 | x | × | 2 | + | 63351 1000 | x | × | 3 | ) | ÷ | ( | 57 50 | x | × | 1 | + | 227 200 | x | × | 2 | + | 543 500 | x | × | 3 | ) | × | ( | x | × | 1 | + | x | × | 2 | + | x | × | 3 | ) | ÷ | ( | 227 5 | x | × | 1 | + | 30 | x | × | 2 | + | 276 5 | x | × | 3 | ) | = | 0 |
| 方程两边同时乘以: | ( | 57 50 | x | × | 1 | + | 227 200 | x | × | 2 | + | 543 500 | x | × | 3 | ) |
| ( | 7638 125 | x | × | 1 | + | 38363 1000 | x | × | 2 | + | 63351 1000 | x | × | 3 | ) | ( | x | × | 1 | + | x | × | 2 | + | x | × | 3 | ) | ÷ | ( | 227 5 | x | × | 1 | + | 30 | x | × | 2 | + | 276 5 | x | × | 3 | ) | = | 0 |
7638 125 | x | × | 1 | ( | x | × | 1 | + | x | × | 2 | + | x | × | 3 | ) | ÷ | ( | 227 5 | x | × | 1 | + | 30 | x | × | 2 | + | 276 5 | x | × | 3 | ) | + | 38363 1000 | x | × | 2 | ( | x | × | 1 | + | x | × | 2 | + | x | × | 3 | ) | ÷ | ( | 227 5 | x | × | 1 | + | 30 | x | × | 2 | + | 276 5 | x | × | 3 | ) | + | 63351 1000 | x | = | 0 |
7638 125 | x | ( | x | × | 1 | + | x | × | 2 | + | x | × | 3 | ) | ÷ | ( | 227 5 | x | × | 1 | + | 30 | x | × | 2 | + | 276 5 | x | × | 3 | ) | + | 38363 500 | x | ( | x | × | 1 | + | x | × | 2 | + | x | × | 3 | ) | ÷ | ( | 227 5 | x | × | 1 | + | 30 | x | × | 2 | + | 276 5 | x | × | 3 | ) | + | 190053 1000 | x | ( | x | × | 1 | + | x | × | 2 | + | x | × | 3 | ) | ÷ | ( | 227 5 | x | × | 1 | + | 30 | x | × | 2 | + | 276 5 | x | × | 3 | ) | = | 0 |
| 方程两边同时乘以: | ( | 227 5 | x | × | 1 | + | 30 | x | × | 2 | + | 276 5 | x | × | 3 | ) |
7638 125 | x | ( | x | × | 1 | + | x | × | 2 | + | x | × | 3 | ) | + | 38363 500 | x | ( | x | × | 1 | + | x | × | 2 | + | x | × | 3 | ) | + | 190053 1000 | x | ( | x | × | 1 | + | x | × | 2 | + | x | × | 3 | ) | = | 0 |
7638 125 | x | x | × | 1 | + | 7638 125 | x | x | × | 2 | + | 7638 125 | x | x | × | 3 | = | 0 |
7638 125 | x | x | + | 15276 125 | x | x | + | 22914 125 | x | x | + | 38363 500 | x | ( | x | × | 1 | + | x | × | 2 | + | x | × | 3 | ) | = | 0 |
7638 125 | x | x | + | 15276 125 | x | x | + | 22914 125 | x | x | + | 38363 500 | x | x | = | 0 |
7638 125 | x | x | + | 15276 125 | x | x | + | 22914 125 | x | x | + | 38363 500 | x | x | = | 0 |
7638 125 | x | x | + | 15276 125 | x | x | + | 22914 125 | x | x | + | 38363 500 | x | x | = | 0 |
7638 125 | x | x | + | 15276 125 | x | x | + | 22914 125 | x | x | + | 38363 500 | x | x | = | 0 |