| 15584487000 | = | 143 10 | × | 2000 | x | ( | 2905 | − | 1 2 | x | ) |
| Right side of the equation = | 28600 | x | ( | 2905 | − | 1 2 | x | ) |
| 15584487000 | = | 28600 | x | ( | 2905 | − | 1 2 | x | ) |
| Right side of the equation = | 28600 | x | × | 2905 | − | 28600 | x | × | 1 2 | x |
| = | 83083000 | x | − | 14300 | x | x |
| 15584487000 | = | 83083000 | x | − | 14300 | x | x |