8 5 | ( | 727 1000 | x | + | 523 100 | + | 51 | ) | ÷ | 8 5 | × | ( | 5 4 | − | 727 1000 | x | + | 523 100 | ) | ÷ | 1000 | = | x |
| Left side of the equation = | 1 1000 | ( | 727 1000 | x | + | 523 100 | + | 51 | ) | ( | 5 4 | − | 727 1000 | x | + | 523 100 | ) |
1 1000 | ( | 727 1000 | x | + | 523 100 | + | 51 | ) | ( | 5 4 | − | 727 1000 | x | + | 523 100 | ) | = | x |
| Left side of the equation = | 1 1000 | × | 727 1000 | x | ( | 5 4 | − | 727 1000 | x | + | 523 100 | ) | + | 1 1000 | × | 523 100 | ( | 5 4 | − | 727 1000 | x | + | 523 100 | ) | + | 1 1000 | × | 51 | ( | 5 4 | − | 727 1000 | x | + | 523 100 | ) |
| = | 727 1000000 | x | ( | 5 4 | − | 727 1000 | x | + | 523 100 | ) | + | 523 100000 | ( | 5 4 | − | 727 1000 | x | + | 523 100 | ) | + | 51 1000 | ( | 5 4 | − | 727 1000 | x | + | 523 100 | ) |
| = | 727 1000000 | x | × | 5 4 | − | 727 1000000 | x | × | 727 1000 | x | + | 727 1000000 | x | × | 523 100 | + | 523 100000 | ( | 5 4 | − | 727 1000 | x | + | 523 100 | ) |
| = | 727 800000 | x | − | 528529 1000000000 | x | x | + | 380221 100000000 | x | + | 523 100000 | ( | 5 4 | − | 727 1000 | x | + | 523 100 | ) | + | 51 1000 | ( | 5 4 | − | 727 1000 | x | + | 523 100 | ) |