9 5 | × | 100000000 | = | 1 | × | 143 10 | × | 250 | x | ( | 460 | − | ( | x | ÷ | 2 | ) | ) |
| Left side of the equation = | 180000000 |
| 180000000 | = | 1 | × | 143 10 | × | 250 | x | ( | 460 | − | ( | x | ÷ | 2 | ) | ) |
| Right side of the equation = | 3575 | x | ( | 460 | − | ( | x | ÷ | 2 | ) | ) |
| 180000000 | = | 3575 | x | ( | 460 | − | ( | x | ÷ | 2 | ) | ) |
| Right side of the equation = | 3575 | x | × | 460 | − | 3575 | x | ( | x | ÷ | 2 | ) |
| = | 1644500 | x | − | 3575 | x | ( | x | ÷ | 2 | ) |
| = | 1644500 | x | − | 3575 | x | x | ÷ | 2 |
| = | 1644500 | x | − | 3575 2 | x | x |
| 180000000 | = | 1644500 | x | − | 3575 2 | x | x |