| ( | 500 | − | 4 | x | ) | × | 1000 | ( | 1 | + | x | ) | + | ( | 100 | − | 3 2 | x | ) | × | 1000 | ( | 1 | + | x | ) | = | 618000 |
| Left side of the equation = | 500 | × | 1000 | ( | 1 | + | x | ) | − | 4 | x | × | 1000 | ( | 1 | + | x | ) | + | ( | 100 | − | 3 2 | x | ) | × | 1000 | ( | 1 | + | x | ) |
| = | 500000 | ( | 1 | + | x | ) | − | 4000 | x | ( | 1 | + | x | ) | + | ( | 100 | − | 3 2 | x | ) | × | 1000 | ( | 1 | + | x | ) |
| = | 500000 | × | 1 | + | 500000 | x | − | 4000 | x | ( | 1 | + | x | ) | + | ( | 100 | − | 3 2 | x | ) | × | 1000 | ( | 1 | + | x | ) |
| = | 500000 | + | 500000 | x | − | 4000 | x | ( | 1 | + | x | ) | + | ( | 100 | − | 3 2 | x | ) | × | 1000 | ( | 1 | + | x | ) |
| = | 500000 | + | 500000 | x | − | 4000 | x | × | 1 | − | 4000 | x | x | + | ( | 100 | − | 3 2 | x | ) | × | 1000 | ( | 1 | + | x | ) |
| = | 500000 | + | 500000 | x | − | 4000 | x | − | 4000 | x | x | + | ( | 100 | − | 3 2 | x | ) | × | 1000 | ( | 1 | + | x | ) |
| = | 500000 | + | 496000 | x | − | 4000 | x | x | + | ( | 100 | − | 3 2 | x | ) | × | 1000 | ( | 1 | + | x | ) |
| = | 500000 | + | 496000 | x | − | 4000 | x | x | + | 100 | × | 1000 | ( | 1 | + | x | ) | − | 3 2 | x | × | 1000 |
| = | 500000 | + | 496000 | x | − | 4000 | x | x | + | 100000 | ( | 1 | + | x | ) | − | 1500 | x | ( | 1 | + | x | ) |
| = | 500000 | + | 496000 | x | − | 4000 | x | x | + | 100000 | × | 1 | + | 100000 | x | − | 1500 | x |
| = | 500000 | + | 496000 | x | − | 4000 | x | x | + | 100000 | + | 100000 | x | − | 1500 | x | ( | 1 | + | x | ) |
| = | 600000 | + | 596000 | x | − | 4000 | x | x | − | 1500 | x | ( | 1 | + | x | ) |
| = | 600000 | + | 596000 | x | − | 4000 | x | x | − | 1500 | x | × | 1 | − | 1500 | x | x |
| = | 600000 | + | 596000 | x | − | 4000 | x | x | − | 1500 | x | − | 1500 | x | x |
| = | 600000 | + | 594500 | x | − | 4000 | x | x | − | 1500 | x | x |
| 600000 | + | 594500 | x | − | 4000 | x | x | − | 1500 | x | x | = | 618000 |