| a | a | − | 36 | = | ( | 84 | × | 84 | − | 2 | × | 84 | × | 14 | a | + | 14 | × | 14 | a | a | ) | ÷ | ( | a | a | − | 14 | × | 14 | ) |
| Multiply both sides of the equation by: | ( | a | a | − | 14 | × | 14 | ) |
| a | a | ( | a | a | − | 14 | × | 14 | ) | − | 36 | ( | a | a | − | 14 | × | 14 | ) | = | ( | 84 | × | 84 | − | 2 | × | 84 | × | 14 | a | + | 14 | × | 14 | a | a | ) |
| a | a | a | a | − | a | a | × | 14 | × | 14 | − | 36 | ( | a | a | − | 14 | × | 14 | ) | = | ( | 84 | × | 84 | − | 2 | × | 84 | × | 14 | a | + | 14 | × | 14 | a | a | ) |
| a | a | a | a | − | a | a | × | 14 | × | 14 | − | 36 | ( | a | a | − | 14 | × | 14 | ) | = | 84 | × | 84 | − | 2 | × | 84 | × | 14 | a | + | 14 | × | 14 | a | a |
| a | a | a | a | − | a | a | × | 196 | − | 36 | ( | a | a | − | 14 | × | 14 | ) | = | 7056 | − | 2352 | a | + | 196 | a | a |
| a | a | a | a | − | a | a | × | 196 | − | 36 | a | a | + | 36 | × | 14 | = | 7056 | − | 2352 | a | + | 196 | a | a |
| a | a | a | a | − | a | a | × | 196 | − | 36 | a | a | + | 7056 | = | 7056 | − | 2352 | a | + | 196 | a | a |