648 625 | x | − | 162 625 | x | − | 162 625 | x | + | 81 1250 | x | + | 1058 625 | x | + | 828 625 | x | = | 0 |
| Left side of the equation = | 7453 1250 | x | + | 3022 625 |
7453 1250 | x | + | 3022 625 | = | 0 |
7453 1250 | x | = | 0 | − | 3022 625 |
7453 1250 | x | = | - | 3022 625 |
| x | = | - | 3022 625 | ÷ | 7453 1250 |
| = | - | 3022 625 | × | 1250 7453 |
| = | - | 3022 | × | 2 7453 |
| x | = | - | 6044 7453 |
| x | = | - 0.810949 |