| 2000 | + | 13595 | x | + | ( | x | − | 3 | ) | ÷ | 4 | × | 75850 | − | 14000 | × | 23 5 | = | 260000 |
| 方程左边 = | 2000 | + | 13595 | x | + | ( | x | − | 3 | ) | × | 37925 2 | − | 64400 |
| = | - | 62400 | + | 13595 | x | + | ( | x | − | 3 | ) | × | 37925 2 |
| - | 62400 | + | 13595 | x | + | ( | x | − | 3 | ) | × | 37925 2 | = | 260000 |
| 方程左边 = | - | 62400 | + | 13595 | x | + | x | × | 37925 2 | − | 3 | × | 37925 2 |
| = | - | 62400 | + | 13595 | x | + | x | × | 37925 2 | − | 113775 2 |
| = | - | 238575 2 | + | 65115 2 | x |
| - | 238575 2 | + | 65115 2 | x | = | 260000 |
65115 2 | x | = | 260000 | + | 238575 2 |
65115 2 | x | = | 758575 2 |
| x | = | 758575 2 | ÷ | 65115 2 |
| = | 758575 2 | × | 2 65115 |
| = | 151715 | × | 1 13023 |
| x | = | 151715 13023 |
| x | = | 11.649773 |