7 5 | ( | m | + | 1 | ) | ( | 407 1000 | m | + | 1 | ) | − | 17 50 | m | m | = | 2733 250 |
| Left side of the equation = | 7 5 | m | ( | 407 1000 | m | + | 1 | ) | + | 7 5 | × | 1 | ( | 407 1000 | m | + | 1 | ) | − | 17 50 | m | m |
| = | 7 5 | m | ( | 407 1000 | m | + | 1 | ) | + | 7 5 | ( | 407 1000 | m | + | 1 | ) | − | 17 50 | m | m |
| = | 7 5 | m | × | 407 1000 | m | + | 7 5 | m | × | 1 | + | 7 5 | ( | 407 1000 | m | + | 1 | ) | − | 17 50 | m | m |
| = | 2849 5000 | m | m | + | 7 5 | m | + | 7 5 | ( | 407 1000 | m | + | 1 | ) | − | 17 50 | m | m |
| = | 2849 5000 | m | m | + | 7 5 | m | + | 7 5 | × | 407 1000 | m | + | 7 5 | × | 1 | − | 17 50 | m |
| = | 2849 5000 | m | m | + | 7 5 | m | + | 2849 5000 | m | + | 7 5 | − | 17 50 | m | m |
| = | 2849 5000 | m | m | + | 9849 5000 | m | + | 7 5 | − | 17 50 | m | m |
2849 5000 | m | m | + | 9849 5000 | m | + | 7 5 | − | 17 50 | m | m | = | 2733 250 |