| 1891060000 | = | 161 10 | × | 1300 | x | ( | 1088 | − | 1 2 | x | ) |
| Right side of the equation = | 20930 | x | ( | 1088 | − | 1 2 | x | ) |
| 1891060000 | = | 20930 | x | ( | 1088 | − | 1 2 | x | ) |
| Right side of the equation = | 20930 | x | × | 1088 | − | 20930 | x | × | 1 2 | x |
| = | 22771840 | x | − | 10465 | x | x |
| 1891060000 | = | 22771840 | x | − | 10465 | x | x |