1212689 500 | = | 69 5 | × | 1700 | x | ( | 1170 | − | 1 2 | x | ) |
| Right side of the equation = | 23460 | x | ( | 1170 | − | 1 2 | x | ) |
1212689 500 | = | 23460 | x | ( | 1170 | − | 1 2 | x | ) |
| Right side of the equation = | 23460 | x | × | 1170 | − | 23460 | x | × | 1 2 | x |
| = | 27448200 | x | − | 11730 | x | x |
1212689 500 | = | 27448200 | x | − | 11730 | x | x |