| 2 | ( | x | − | 5 | ) | ( | 2 | x | − | 1 | ) | ( | x | − | 3 | ) | − | ( | 2 | x | − | 5 | ) | ( | 2 | x | − | 1 | ) | ( | x | − | 3 | ) | = | 2 | ( | x | − | 5 | ) | ( | 2 | x | − | 5 | ) | ( | x | − | 3 | ) | − | ( | 2 | x | − | 5 | ) | ( | 2 | x | − | 1 | ) | ( | x | − | 5 | ) |
| Left side of the equation = | 2 | x | ( | 2 | x | − | 1 | ) | ( | x | − | 3 | ) | − | 2 | × | 5 | ( | 2 | x | − | 1 | ) | ( | x | − | 3 | ) | − | ( | 2 | x | − | 5 | ) | ( | 2 | x | − | 1 | ) | ( | x | − | 3 | ) |
| = | 2 | x | ( | 2 | x | − | 1 | ) | ( | x | − | 3 | ) | − | 10 | ( | 2 | x | − | 1 | ) | ( | x | − | 3 | ) | − | ( | 2 | x | − | 5 | ) | ( | 2 | x | − | 1 | ) | ( | x | − | 3 | ) |
| = | 2 | x | × | 2 | x | ( | x | − | 3 | ) | − | 2 | x | × | 1 | ( | x | − | 3 | ) | − | 10 | ( | 2 | x | − | 1 | ) | ( | x | − | 3 | ) |
| = | 4 | x | x | ( | x | − | 3 | ) | − | 2 | x | ( | x | − | 3 | ) | − | 10 | ( | 2 | x | − | 1 | ) | ( | x | − | 3 | ) | − | ( | 2 | x | − | 5 | ) | ( | 2 | x | − | 1 | ) |
| = | 4 | x | x | x | − | 4 | x | x | × | 3 | − | 2 | x | ( | x | − | 3 | ) | − | 10 |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | ( | x | − | 3 | ) | − | 10 | ( | 2 | x | − | 1 | ) |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 2 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 6 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 6 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 6 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 6 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 6 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 66 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 66 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 66 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 76 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 76 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 76 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 76 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 76 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 76 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 76 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 76 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 70 | x |
| = | 4 | x | x | x | − | 12 | x | x | − | 2 | x | x | + | 70 | x |
| x= | 11 4 |