1 2 | ( | 10 | − | x | ) | x | + | 1 16 | ( | 10 | − | x | ) | ( | 10 | − | x | ) | = | 137 4 |
| Left side of the equation = | 1 2 | × | 10 | x | − | 1 2 | x | x | + | 1 16 | ( | 10 | − | x | ) | ( | 10 | − | x | ) |
| = | 5 | x | − | 1 2 | x | x | + | 1 16 | ( | 10 | − | x | ) | ( | 10 | − | x | ) |
| = | 5 | x | − | 1 2 | x | x | + | 1 16 | × | 10 | ( | 10 | − | x | ) | − | 1 16 | x | ( | 10 | − | x | ) |
| = | 5 | x | − | 1 2 | x | x | + | 5 8 | ( | 10 | − | x | ) | − | 1 16 | x | ( | 10 | − | x | ) |
| = | 5 | x | − | 1 2 | x | x | + | 5 8 | × | 10 | − | 5 8 | x | − | 1 16 | x | ( | 10 | − | x | ) |
| = | 5 | x | − | 1 2 | x | x | + | 25 4 | − | 5 8 | x | − | 1 16 | x | ( | 10 | − | x | ) |
| = | 35 8 | x | − | 1 2 | x | x | + | 25 4 | − | 1 16 | x | ( | 10 | − | x | ) |
| = | 35 8 | x | − | 1 2 | x | x | + | 25 4 | − | 1 16 | x | × | 10 | + | 1 16 | x | x |
| = | 35 8 | x | − | 1 2 | x | x | + | 25 4 | − | 5 8 | x | + | 1 16 | x | x |
| = | 15 4 | x | − | 1 2 | x | x | + | 25 4 | + | 1 16 | x | x |
15 4 | x | − | 1 2 | x | x | + | 25 4 | + | 1 16 | x | x | = | 137 4 |