| 1061915000 | = | 69 5 | × | 1500 | x | ( | 902 | − | 1 2 | x | ) |
| Right side of the equation = | 20700 | x | ( | 902 | − | 1 2 | x | ) |
| 1061915000 | = | 20700 | x | ( | 902 | − | 1 2 | x | ) |
| Right side of the equation = | 20700 | x | × | 902 | − | 20700 | x | × | 1 2 | x |
| = | 18671400 | x | − | 10350 | x | x |
| 1061915000 | = | 18671400 | x | − | 10350 | x | x |