| ( | 24 | + | 2 | x | ) | ( | 48 5 | + | 2 | x | ) | = | 20383 50 | + | 3619 25 |
| 方程左边 = | 24 | ( | 48 5 | + | 2 | x | ) | + | 2 | x | ( | 48 5 | + | 2 | x | ) |
| = | 24 | × | 48 5 | + | 24 | × | 2 | x | + | 2 | x | ( | 48 5 | + | 2 | x | ) |
| = | 1152 5 | + | 48 | x | + | 2 | x | ( | 48 5 | + | 2 | x | ) |
| = | 1152 5 | + | 48 | x | + | 2 | x | × | 48 5 | + | 2 | x | × | 2 | x |
| = | 1152 5 | + | 48 | x | + | 96 5 | x | + | 4 | x | x |
| = | 1152 5 | + | 336 5 | x | + | 4 | x | x |
1152 5 | + | 336 5 | x | + | 4 | x | x | = | 20383 50 | + | 3619 25 |
| 方程右边 = | 27621 50 |
1152 5 | + | 336 5 | x | + | 4 | x | x | = | 27621 50 |