( | x | − | 2 | ) | ( | x | − | 2 | ) | + | ( | 2 | x | + | 1 | ) | ( | 2 | x | + | 1 | ) | + | ( | - | 2 | x | − | 3 | ) | ( | - | 2 | x | − | 3 | ) | = | 9 |
Left side of the equation = | x | ( | x | − | 2 | ) | − | 2 | ( | x | − | 2 | ) | + | ( | 2 | x | + | 1 | ) | ( | 2 | x | + | 1 | ) | + | ( | - | 2 | x | − | 3 | ) | ( | - | 2 | x | − | 3 | ) |
= | x | x | − | x | × | 2 | − | 2 | ( | x | − | 2 | ) | + | ( | 2 | x | + | 1 | ) | ( | 2 | x | + | 1 | ) | + | ( | - | 2 | x | − | 3 | ) | ( | - | 2 | x | − | 3 | ) |
= | x | x | − | 2 | x | − | 2 | x | + | 2 | × | 2 | + | ( | 2 | x | + | 1 | ) | ( | 2 | x | + | 1 | ) | + | ( | - | 2 | x | − | 3 | ) | ( | - | 2 | x | − | 3 | ) |
= | x | x | − | 2 | x | − | 2 | x | + | 4 | + | ( | 2 | x | + | 1 | ) | ( | 2 | x | + | 1 | ) | + | ( | - | 2 | x | − | 3 | ) | ( | - | 2 | x | − | 3 | ) |
= | x | x | − | 4 | x | + | 4 | + | ( | 2 | x | + | 1 | ) | ( | 2 | x | + | 1 | ) | + | ( | - | 2 | x | − | 3 | ) | ( | - | 2 | x | − | 3 | ) |
= | x | x | − | 4 | x | + | 4 | + | 2 | x | ( | 2 | x | + | 1 | ) | + | 1 | ( | 2 | x | + | 1 | ) | + | ( | - | 2 | x | − | 3 | ) | ( | - | 2 | x | − | 3 | ) |
= | x | x | − | 4 | x | + | 4 | + | 2 | x | × | 2 | x | + | 2 | x | × | 1 |
= | x | x | − | 4 | x | + | 4 | + | 4 | x | x | + | 2 | x | + | 1 | ( | 2 | x | + | 1 | ) |
= | x | x | − | 2 | x | + | 4 | + | 4 | x | x | + | 1 | ( | 2 | x | + | 1 | ) | + | ( | - | 2 | x | − | 3 | ) | ( | - | 2 | x | − | 3 | ) |
= | x | x | − | 2 | x | + | 4 | + | 4 | x | x | + | 1 | × | 2 | x | + | 1 |
= | x | x | − | 2 | x | + | 4 | + | 4 | x | x | + | 2 | x | + | 1 | + | ( | - | 2 | x | − | 3 | ) |
= | x | x | − | 0 | x | + | 5 | + | 4 | x | x | + | ( | - | 2 | x | − | 3 | ) | ( | - | 2 | x | − | 3 | ) |
= | x | x | − | 0 | x | + | 5 | + | 4 | x | x | − | 2 | x | ( | - | 2 | x | − | 3 | ) | − | 3 |
= | x | x | − | 0 | x | + | 5 | + | 4 | x | x | + | 2 | x | × | 2 | x |
= | x | x | − | 0 | x | + | 5 | + | 4 | x | x | + | 4 | x | x | + | 6 |
= | x | x | + | 6 | x | + | 5 | + | 4 | x | x | + | 4 | x | x | − | 3 |
= | x | x | + | 6 | x | + | 5 | + | 4 | x | x | + | 4 | x | x | + | 3 |
= | x | x | + | 6 | x | + | 5 | + | 4 | x | x | + | 4 | x | x | + | 6 |
= | x | x | + | 12 | x | + | 14 | + | 4 | x | x | + | 4 | x | x |
x | x | + | 12 | x | + | 14 | + | 4 | x | x | + | 4 | x | x | = | 9 |