204 2500 | = | ( | 1 | + | X | ÷ | 2 | ) | ( | 1 | + | X | ÷ | 2 | ) | − | 1 |
| Right side of the equation = | 1 | ( | 1 | + | X | ÷ | 2 | ) | + | X | ÷ | 2 | × | ( | 1 | + | X | ÷ | 2 | ) | − | 1 |
| = | 1 | × | 1 | + | 1 | X | ÷ | 2 | + | X | × | 1 2 | ( | 1 | + | X | ÷ | 2 | ) | − | 1 |
| = | 1 | + | 1 2 | X | + | X | × | 1 2 | ( | 1 | + | X | ÷ | 2 | ) | − | 1 |
| = | 0 | + | 1 2 | X | + | X | × | 1 2 | ( | 1 | + | X | ÷ | 2 | ) |
| = | 1 2 | X | + | X | × | 1 2 | × | 1 | + | X | × | 1 2 | X | ÷ | 2 |
| = | 1 2 | X | + | X | × | 1 2 | + | X | × | 1 4 | X |
| = | 1 | X | + | X | × | 1 4 | X |
204 2500 | = | 1 | X | + | X | × | 1 4 | X |
| X1= | - | 102 25 |
| X2= | 2 25 |