499 2 | x | − | 1 2 | x | x | × | 3159 500 | − | 1053 250 | × | 2 | ( | 1 | + | x | ) | − | 6703 100 | ( | 2 | + | x | ) | = | 0 |
| 方程左边 = | 499 2 | x | − | 3159 1000 | x | x | − | 1053 125 | ( | 1 | + | x | ) | − | 6703 100 | ( | 2 | + | x | ) |
499 2 | x | − | 3159 1000 | x | x | − | 1053 125 | ( | 1 | + | x | ) | − | 6703 100 | ( | 2 | + | x | ) | = | 0 |
| 方程左边 = | 499 2 | x | − | 3159 1000 | x | x | − | 1053 125 | × | 1 | − | 1053 125 | x | − | 6703 100 | ( | 2 | + | x | ) |
| = | 499 2 | x | − | 3159 1000 | x | x | − | 1053 125 | − | 1053 125 | x | − | 6703 100 | ( | 2 | + | x | ) |
| = | 60269 250 | x | − | 3159 1000 | x | x | − | 1053 125 | − | 6703 100 | ( | 2 | + | x | ) |
| = | 60269 250 | x | − | 3159 1000 | x | x | − | 1053 125 | − | 6703 100 | × | 2 | − | 6703 100 | x |
| = | 60269 250 | x | − | 3159 1000 | x | x | − | 1053 125 | − | 6703 50 | − | 6703 100 | x |
| = | 87023 500 | x | − | 3159 1000 | x | x | − | 35621 250 |
87023 500 | x | − | 3159 1000 | x | x | − | 35621 250 | = | 0 |