53921 25 | = | 23 2 | × | 1500 | x | ( | 1225 | − | 1 2 | x | ) |
| Right side of the equation = | 17250 | x | ( | 1225 | − | 1 2 | x | ) |
53921 25 | = | 17250 | x | ( | 1225 | − | 1 2 | x | ) |
| Right side of the equation = | 17250 | x | × | 1225 | − | 17250 | x | × | 1 2 | x |
| = | 21131250 | x | − | 8625 | x | x |
53921 25 | = | 21131250 | x | − | 8625 | x | x |