| 0 | = | 25 | ÷ | 4 | × | ( | x | − | 7 | ÷ | 5 | ) | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) | − | 25 | ÷ | 3 | × | ( | x | − | 1 | ) | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) | − | 25 | ÷ | 4 |
| Right side of the equation = | 25 4 | ( | x | − | 7 | ÷ | 5 | ) | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) | − | 25 3 | ( | x | − | 1 | ) | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) | − | 25 4 | ( | x | − | 7 | ÷ | 5 | ) | ( | x | − | 2 | ) | ( | x | − | 1 | ) |
| 0 | = | 25 4 | ( | x | − | 7 | ÷ | 5 | ) | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) | − | 25 3 | ( | x | − | 1 | ) | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) | − | 25 4 | ( | x | − | 7 | ÷ | 5 | ) | ( | x | − | 2 | ) | ( | x | − | 1 | ) |
| Right side of the equation = | 25 4 | x | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) | − | 25 4 | × | 7 | ÷ | 5 | × | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) | − | 25 3 | ( | x | − | 1 | ) | ( | x | − | 9 | ÷ | 5 | ) |
| = | 25 4 | x | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) | − | 35 4 | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) | − | 25 3 | ( | x | − | 1 | ) | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) | − | 25 4 |
| = | 25 4 | x | x | ( | x | − | 2 | ) | − | 25 4 | x | × | 9 | ÷ | 5 | × | ( | x | − | 2 | ) | − | 35 4 | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) |
| = | 25 4 | x | x | ( | x | − | 2 | ) | − | 45 4 | x | ( | x | − | 2 | ) | − | 35 4 | ( | x | − | 9 | ÷ | 5 | ) | ( | x | − | 2 | ) | − | 25 3 | ( | x | − | 1 | ) |
| = | 25 4 | x | x | x | − | 25 4 | x | x | × | 2 | − | 45 4 | x | ( | x | − | 2 | ) | − | 35 4 |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | ( | x | − | 2 | ) | − | 35 4 | ( | x | − | 9 | ÷ | 5 | ) |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 45 4 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 45 2 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 45 2 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 45 2 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 45 2 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 45 2 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 40 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 40 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 40 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 223 4 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 223 4 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 223 4 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 223 4 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 223 4 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 223 4 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 223 4 | x |
| = | 25 4 | x | x | x | − | 25 2 | x | x | − | 45 4 | x | x | + | 223 4 | x |