| 600 | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | = | 5000 |
| Left side of the equation = | 600 | × | 1 | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) |
| = | 600 | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) |
| = | 600 | × | 1 | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x |
| = | 600 | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) |
| = | 600 | × | 1 | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) |
| = | 600 | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | ( | 1 | + | x | ) |
| = | 600 | × | 1 | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x |
| = | 600 | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) |
| = | 600 | × | 1 | + | 600 | x | + | 600 | x | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 |
| = | 600 | + | 600 | x | + | 600 | x | ( | 1 | + | x | ) | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x |
| = | 600 | + | 600 | x | + | 600 | x | × | 1 | + | 600 | x | x | + | 600 | x | ( | 1 | + | x | ) |
| = | 600 | + | 600 | x | + | 600 | x | + | 600 | x | x | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) |
| = | 600 | + | 1200 | x | + | 600 | x | x | + | 600 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 600 | x |
| = | 600 | + | 1200 | x | + | 600 | x | x | + | 600 | x | × | 1 | ( | 1 | + | x | ) | + | 600 | x |
| = | 600 | + | 1200 | x | + | 600 | x | x | + | 600 | x | ( | 1 | + | x | ) | + | 600 | x | x |
| = | 600 | + | 1200 | x | + | 600 | x | x | + | 600 | x | × | 1 | + | 600 | x | x |
| = | 600 | + | 1200 | x | + | 600 | x | x | + | 600 | x | + | 600 | x | x | + | 600 |
| = | 600 | + | 1800 | x | + | 600 | x | x | + | 600 | x | x | + | 600 | x | x |
| = | 600 | + | 1800 | x | + | 600 | x | x | + | 600 | x | x | + | 600 | x | x |
| = | 600 | + | 1800 | x | + | 600 | x | x | + | 600 | x | x | + | 600 | x | x |
| = | 600 | + | 1800 | x | + | 600 | x | x | + | 600 | x | x | + | 600 | x | x |
| = | 600 | + | 1800 | x | + | 600 | x | x | + | 600 | x | x | + | 600 | x | x |
| = | 600 | + | 1800 | x | + | 600 | x | x | + | 600 | x | x | + | 600 | x | x |
| = | 600 | + | 1800 | x | + | 600 | x | x | + | 600 | x | x | + | 600 | x | x |
| = | 600 | + | 1800 | x | + | 600 | x | x | + | 600 | x | x | + | 600 | x | x |