| 65000000 | = | 96 | × | 1600 | x | ( | 340 | − | 1 2 | x | ) |
| Right side of the equation = | 153600 | x | ( | 340 | − | 1 2 | x | ) |
| 65000000 | = | 153600 | x | ( | 340 | − | 1 2 | x | ) |
| Right side of the equation = | 153600 | x | × | 340 | − | 153600 | x | × | 1 2 | x |
| = | 52224000 | x | − | 76800 | x | x |
| 65000000 | = | 52224000 | x | − | 76800 | x | x |