| x | ( | - | 40011683 10 | ) | + | ( | 1 | − | x | ) | ( | - | 4736181117111117 10 | ) | = | 0 |
| 方程左边 = | - | x | × | 40011683 10 | + | ( | 1 | − | x | ) | ( | - | 4736181117111117 10 | ) |
| = | - | 40011683 10 | x | + | 1 | ( | - | 4736181117111117 10 | ) | − | x | ( | - | 4736181117111117 10 | ) |
| = | - | 40011683 10 | x | − | 1 | × | 4736181117111117 10 | − | x | ( | - | 4736181117111117 10 | ) |