89 25 | − | 171 | ( | 7 12500 | ) | − | ( | 89041 250000000 | ) | x | − | 335329 100000000 | x | + | ( | 410959 5000000000000 | ) | × | 171 | x | + | ( | 239521 250000000000 | ) | × | 171 | = | x |
| Left side of the equation = | 89 25 | − | 171 | × | 7 12500 | − | ( | 89041 250000000 | ) | x | − | 335329 100000000 | x | + | ( | 410959 5000000000000 | ) | × | 171 | x | + | ( | 239521 250000000000 | ) | × | 171 |
| = | 89 25 | − | 1197 12500 | − | ( | 89041 250000000 | ) | x | − | 335329 100000000 | x | + | ( | 410959 5000000000000 | ) | × | 171 | x | + | ( | 239521 250000000000 | ) | × | 171 | x |
| = | 43303 12500 | − | ( | 89041 250000000 | ) | x | − | 335329 100000000 | x | + | ( | 410959 5000000000000 | ) | × | 171 | x | + | ( | 239521 250000000000 | ) | × | 171 | x | − | ( | 114839 100000000000 | ) |
| = | 43303 12500 | − | 89041 250000000 | x | − | 335329 100000000 | x | + | ( | 410959 5000000000000 | ) | × | 171 | x | + | ( | 239521 250000000000 | ) | × | 171 | x | − | ( | 114839 100000000000 | ) |