| ( | 154 | + | x | ) | × | 24 5 | x | + | 154 | × | 47 10 | = | 0 |
| Left side of the equation = | ( | 154 | + | x | ) | × | 24 5 | x | + | 3619 5 |
| ( | 154 | + | x | ) | × | 24 5 | x | + | 3619 5 | = | 0 |
| Left side of the equation = | 154 | × | 24 5 | x | + | x | × | 24 5 | x | + | 3619 5 |
| = | 3696 5 | x | + | x | × | 24 5 | x | + | 3619 5 |
3696 5 | x | + | x | × | 24 5 | x | + | 3619 5 | = | 0 |