| 1 | ÷ | 2 | × | ( | 2 | m | + | m | + | 2 | ) | ( | - | m | + | 2 | ) | = | 0 |
| 方程左边 = | 1 2 | ( | 2 | m | + | m | + | 2 | ) | ( | - | m | + | 2 | ) |
1 2 | ( | 2 | m | + | m | + | 2 | ) | ( | - | m | + | 2 | ) | = | 0 |
| 方程左边 = | 1 2 | × | 2 | m | ( | - | m | + | 2 | ) | + | 1 2 | m | ( | - | m | + | 2 | ) | + | 1 2 | × | 2 | ( | - | m | + | 2 | ) |
| = | 1 | m | ( | - | m | + | 2 | ) | + | 1 2 | m | ( | - | m | + | 2 | ) | + | 1 | ( | - | m | + | 2 | ) |
| = | - | 1 | m | m | + | 1 | m | × | 2 | + | 1 2 | m | ( | - | m | + | 2 | ) | + | 1 | ( | - | m | + | 2 | ) |
| = | - | 1 | m | m | + | 2 | m | + | 1 2 | m | ( | - | m | + | 2 | ) | + | 1 | ( | - | m | + | 2 | ) |
| = | - | 1 | m | m | + | 2 | m | − | 1 2 | m | m | + | 1 2 | m | × | 2 | + | 1 |
| = | - | 1 | m | m | + | 2 | m | − | 1 2 | m | m | + | 1 | m | + | 1 | ( | - | m | + | 2 | ) |
| = | - | 1 | m | m | + | 3 | m | − | 1 2 | m | m | + | 1 | ( | - | m | + | 2 | ) |
| = | - | 1 | m | m | + | 3 | m | − | 1 2 | m | m | − | 1 | m | + | 1 | × | 2 |
| = | - | 1 | m | m | + | 3 | m | − | 1 2 | m | m | − | 1 | m | + | 2 |
| = | - | 1 | m | m | + | 2 | m | − | 1 2 | m | m | + | 2 |
| - | 1 | m | m | + | 2 | m | − | 1 2 | m | m | + | 2 | = | 0 |
| m1= | - | 2 3 |
| m2=2 |