| ( | 5 | + | x | ) | ( | 5 | + | x | ) | + | 24 | × | 24 | = | ( | 27 | − | x | ) | ( | 27 | − | x | ) |
| Left side of the equation = | ( | 5 | + | x | ) | ( | 5 | + | x | ) | + | 576 |
| ( | 5 | + | x | ) | ( | 5 | + | x | ) | + | 576 | = | ( | 27 | − | x | ) | ( | 27 | − | x | ) |
| Left side of the equation = | 5 | ( | 5 | + | x | ) | + | x | ( | 5 | + | x | ) | + | 576 |
| = | 5 | × | 5 | + | 5 | x | + | x | ( | 5 | + | x | ) | + | 576 |
| = | 25 | + | 5 | x | + | x | ( | 5 | + | x | ) | + | 576 |
| = | 601 | + | 5 | x | + | x | ( | 5 | + | x | ) |
| = | 601 | + | 5 | x | + | x | × | 5 | + | x | x |
| = | 601 | + | 10 | x | + | x | x |
| 601 | + | 10 | x | + | x | x | = | ( | 27 | − | x | ) | ( | 27 | − | x | ) |
| Right side of the equation = | 27 | ( | 27 | − | x | ) | − | x | ( | 27 | − | x | ) |
| = | 27 | × | 27 | − | 27 | x | − | x | ( | 27 | − | x | ) |
| = | 729 | − | 27 | x | − | x | ( | 27 | − | x | ) |
| = | 729 | − | 27 | x | − | x | × | 27 | + | x | x |
| = | 729 | − | 54 | x | + | x | x |
| 601 | + | 10 | x | + | x | x | = | 729 | − | 54 | x | + | x | x |