| 10 | ( | x | − | 7 5 | ) | ( | x | − | 9 5 | ) | ( | x | − | 2 | ) | ÷ | 8 25 | + | ( | x | − | 2 | ) | ( | x | − | 1 | ) | ( | x | − | 9 5 | ) | ÷ | 3 25 | − | ( | x | − | 7 5 | ) | ( | x | − | 1 | ) | ( | x | − | 2 | ) | = | 0 |
| 方程左边 = | 125 4 | ( | x | − | 7 5 | ) | ( | x | − | 9 5 | ) | ( | x | − | 2 | ) | + | ( | x | − | 2 | ) | ( | x | − | 1 | ) | ( | x | − | 9 5 | ) | × | 25 3 | − | ( | x | − | 7 5 | ) | ( | x | − | 1 | ) | ( | x | − | 2 | ) | × | 125 8 |
125 4 | ( | x | − | 7 5 | ) | ( | x | − | 9 5 | ) | ( | x | − | 2 | ) | + | ( | x | − | 2 | ) | ( | x | − | 1 | ) | ( | x | − | 9 5 | ) | × | 25 3 | − | ( | x | − | 7 5 | ) | ( | x | − | 1 | ) | ( | x | − | 2 | ) | × | 125 8 | = | 0 |
| 方程左边 = | 125 4 | x | ( | x | − | 9 5 | ) | ( | x | − | 2 | ) | − | 125 4 | × | 7 5 | ( | x | − | 9 5 | ) | ( | x | − | 2 | ) | + | ( | x | − | 2 | ) | ( | x | − | 1 | ) | ( | x | − | 9 5 | ) | × | 25 3 |
| = | 125 4 | x | ( | x | − | 9 5 | ) | ( | x | − | 2 | ) | − | 175 4 | ( | x | − | 9 5 | ) | ( | x | − | 2 | ) | + | ( | x | − | 2 | ) | ( | x | − | 1 | ) | ( | x | − | 9 5 | ) | × | 25 3 | − | ( | x | − | 7 5 | ) |
| = | 125 4 | x | x | ( | x | − | 2 | ) | − | 125 4 | x | × | 9 5 | ( | x | − | 2 | ) | − | 175 4 | ( | x | − | 9 5 | ) | ( | x | − | 2 | ) | + | ( | x | − | 2 | ) |
| = | 125 4 | x | x | ( | x | − | 2 | ) | − | 225 4 | x | ( | x | − | 2 | ) | − | 175 4 | ( | x | − | 9 5 | ) | ( | x | − | 2 | ) | + | ( | x | − | 2 | ) | ( | x | − | 1 | ) |
| = | 125 4 | x | x | x | − | 125 4 | x | x | × | 2 | − | 225 4 | x | ( | x | − | 2 | ) | − | 175 4 |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | ( | x | − | 2 | ) | − | 175 4 | ( | x | − | 9 5 | ) |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 225 4 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 225 2 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 225 2 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 225 2 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 225 2 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 225 2 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 200 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 200 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 200 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 1115 4 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 1115 4 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 1115 4 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 1115 4 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 1115 4 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 1115 4 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 1115 4 | x |
| = | 125 4 | x | x | x | − | 125 2 | x | x | − | 225 4 | x | x | + | 1115 4 | x |