| 177714 | ( | 8 5 | x | ) | + | 169941 | ( | 9 20 | x | ) | + | 112790 | x | = | 13264563 50 | − | 90344489 1250 |
| 方程左边 = | 177714 | × | 8 5 | x | + | 169941 | ( | 9 20 | x | ) | + | 112790 | x |
| = | 1421712 5 | x | + | 169941 | ( | 9 20 | x | ) | + | 112790 | x |
| = | 1985662 5 | x | + | 169941 | ( | 9 20 | x | ) |
| = | 1985662 5 | x | + | 169941 | × | 9 20 | x |
| = | 1985662 5 | x | + | 1529469 20 | x |
| = | 9472117 20 | x |
9472117 20 | x | = | 13264563 50 | − | 90344489 1250 |