| x | + | 3 2 | + | ( | x | + | 3 2 | ) | × | 4 5 | + | ( | ( | x | + | 3 2 | ) | × | 4 5 | × | 4 5 | ) | = | 73 10 |
| 方程左边 = | x | + | 3 2 | + | x | × | 4 5 | + | 3 2 | × | 4 5 | + | ( | ( | x | + | 3 2 | ) | × | 4 5 | × | 4 5 | ) |
| = | x | + | 3 2 | + | x | × | 4 5 | + | 6 5 | + | ( | ( | x | + | 3 2 | ) | × | 4 5 | × | 4 5 | ) |
| = | 9 5 | x | + | 27 10 | + | ( | ( | x | + | 3 2 | ) | × | 4 5 | × | 4 5 | ) |
| = | 9 5 | x | + | 27 10 | + | ( | x | + | 3 2 | ) | × | 4 5 | × | 4 5 |
| = | 9 5 | x | + | 27 10 | + | ( | x | + | 3 2 | ) | × | 16 25 |
| = | 9 5 | x | + | 27 10 | + | x | × | 16 25 | + | 3 2 | × | 16 25 |
| = | 9 5 | x | + | 27 10 | + | x | × | 16 25 | + | 24 25 |
| = | 61 25 | x | + | 183 50 |
61 25 | x | + | 183 50 | = | 73 10 |
61 25 | x | = | 73 10 | − | 183 50 |
61 25 | x | = | 91 25 |
| x | = | 91 25 | ÷ | 61 25 |
| = | 91 25 | × | 25 61 |
| = | 91 | × | 1 61 |
| x | = | 91 61 |
| x | = | 1.491803 |