| ( | 73 2 | + | 2 | x | ) | ( | 73 5 | + | 2 | x | ) | = | 143397 100 | + | 33483 100 |
| Left side of the equation = | 73 2 | ( | 73 5 | + | 2 | x | ) | + | 2 | x | ( | 73 5 | + | 2 | x | ) |
| = | 73 2 | × | 73 5 | + | 73 2 | × | 2 | x | + | 2 | x | ( | 73 5 | + | 2 | x | ) |
| = | 5329 10 | + | 73 | x | + | 2 | x | ( | 73 5 | + | 2 | x | ) |
| = | 5329 10 | + | 73 | x | + | 2 | x | × | 73 5 | + | 2 | x | × | 2 | x |
| = | 5329 10 | + | 73 | x | + | 146 5 | x | + | 4 | x | x |
| = | 5329 10 | + | 511 5 | x | + | 4 | x | x |
5329 10 | + | 511 5 | x | + | 4 | x | x | = | 143397 100 | + | 33483 100 |
| Right side of the equation = | 8844 5 |
5329 10 | + | 511 5 | x | + | 4 | x | x | = | 8844 5 |