| ( | 1360 | × | 1360 | − | ( | x | + | 57 | ) | ( | x | + | 57 | ) | ) | + | ( | 1590 | × | 1590 | − | x | x | ) | + | 1700 | = | 3760 |
| 方程左边 = | 1360 | × | 1360 | − | ( | x | + | 57 | ) | ( | x | + | 57 | ) | + | ( | 1590 | × | 1590 | − | x | x | ) | + | 1700 |
| = | 1849600 | − | ( | x | + | 57 | ) | ( | x | + | 57 | ) | + | ( | 1590 | × | 1590 | − | x | x | ) | + | 1700 |
| = | 1851300 | − | ( | x | + | 57 | ) | ( | x | + | 57 | ) | + | ( | 1590 | × | 1590 | − | x | x | ) |
| = | 1851300 | − | x | ( | x | + | 57 | ) | − | 57 | ( | x | + | 57 | ) | + | ( | 1590 | × | 1590 | − | x | x | ) |
| = | 1851300 | − | x | x | − | x | × | 57 | − | 57 | ( | x | + | 57 | ) | + | ( | 1590 | × | 1590 | − | x | x | ) |
| = | 1851300 | − | x | x | − | 57 | x | − | 57 | x | − | 57 | × | 57 | + | ( | 1590 | × | 1590 | − | x | x | ) |
| = | 1851300 | − | x | x | − | 57 | x | − | 57 | x | − | 3249 | + | ( | 1590 | × | 1590 | − | x | x | ) |
| = | 1848051 | − | x | x | − | 114 | x | + | ( | 1590 | × | 1590 | − | x | x | ) |
| = | 1848051 | − | x | x | − | 114 | x | + | 1590 | × | 1590 | − | x | x |
| = | 1848051 | − | x | x | − | 114 | x | + | 2528100 | − | x | x |
| = | 4376151 | − | x | x | − | 114 | x | − | x | x |
| 4376151 | − | x | x | − | 114 | x | − | x | x | = | 3760 |