| ( | 230 | + | x | ) | ( | 231 | × | 253 5 | + | 20 | x | ) | = | ( | 231 | + | x | ) | ( | 230 | × | 493 10 | + | 23 | x | ) |
| Left side of the equation = | 230 | ( | 231 | × | 253 5 | + | 20 | x | ) | + | x | ( | 231 | × | 253 5 | + | 20 | x | ) |
| = | 230 | × | 231 | × | 253 5 | + | 230 | × | 20 | x | + | x | ( | 231 | × | 253 5 | + | 20 | x | ) |
| = | 2688378 | + | 4600 | x | + | x | ( | 231 | × | 253 5 | + | 20 | x | ) |
| = | 2688378 | + | 4600 | x | + | x | × | 231 | × | 253 5 | + | x | × | 20 | x |
| = | 2688378 | + | 4600 | x | + | x | × | 58443 5 | + | x | × | 20 | x |
| = | 2688378 | + | 81443 5 | x | + | x | × | 20 | x |
| 2688378 | + | 81443 5 | x | + | x | × | 20 | x | = | ( | 231 | + | x | ) | ( | 230 | × | 493 10 | + | 23 | x | ) |
| Right side of the equation = | 231 | ( | 230 | × | 493 10 | + | 23 | x | ) | + | x | ( | 230 | × | 493 10 | + | 23 | x | ) |
| = | 231 | × | 230 | × | 493 10 | + | 231 | × | 23 | x | + | x | ( | 230 | × | 493 10 | + | 23 | x | ) |
| = | 2619309 | + | 5313 | x | + | x | ( | 230 | × | 493 10 | + | 23 | x | ) |
| = | 2619309 | + | 5313 | x | + | x | × | 230 | × | 493 10 | + | x | × | 23 | x |
| = | 2619309 | + | 5313 | x | + | x | × | 11339 | + | x | × | 23 | x |
| = | 2619309 | + | 16652 | x | + | x | × | 23 | x |
| 2688378 | + | 81443 5 | x | + | x | × | 20 | x | = | 2619309 | + | 16652 | x | + | x | × | 23 | x |