| ( | x | − | 1617 5 | ) | ( | x | − | 375 2 | ) | − | 1031 10 | × | 1031 10 | = | 0 |
| Left side of the equation = | ( | x | − | 1617 5 | ) | ( | x | − | 375 2 | ) | − | 1062961 100 |
| ( | x | − | 1617 5 | ) | ( | x | − | 375 2 | ) | − | 1062961 100 | = | 0 |
| Left side of the equation = | x | ( | x | − | 375 2 | ) | − | 1617 5 | ( | x | − | 375 2 | ) | − | 1062961 100 |
| = | x | x | − | x | × | 375 2 | − | 1617 5 | ( | x | − | 375 2 | ) | − | 1062961 100 |
| = | x | x | − | 375 2 | x | − | 1617 5 | x | + | 1617 5 | × | 375 2 | − | 1062961 100 |
| = | x | x | − | 375 2 | x | − | 1617 5 | x | + | 121275 2 | − | 1062961 100 |
| = | x | x | − | 5109 10 | x | + | 5000789 100 |
| x | x | − | 5109 10 | x | + | 5000789 100 | = | 0 |