| 295200000 | = | 143 10 | × | 400 | × | 60 | × | 435 | + | 143 10 | × | 200 | x | ( | 465 | − | 1 2 | x | ) |
| Right side of the equation = | 149292000 | + | 2860 | x | ( | 465 | − | 1 2 | x | ) |
| 295200000 | = | 149292000 | + | 2860 | x | ( | 465 | − | 1 2 | x | ) |
| Right side of the equation = | 149292000 | + | 2860 | x | × | 465 | − | 2860 | x | × | 1 2 | x |
| = | 149292000 | + | 1329900 | x | − | 1430 | x | x |
| 295200000 | = | 149292000 | + | 1329900 | x | − | 1430 | x | x |