( | 2 | − | x | ) | ( | 2 | − | x | ) | ÷ | 4 | + | ( | - | x | x | + | 4 | x | − | 4 | ) | ( | - | x | x | + | 4 | x | − | 4 | ) | ÷ | 16 | = | ( | x | − | 1 | ) | ( | x | − | 1 | ) |
方程左边 = | 2 | ( | 2 | − | x | ) | × | 1 4 | − | x | ( | 2 | − | x | ) | × | 1 4 | + | ( | - | x | x | + | 4 | x | − | 4 | ) | ( | - | x | x | + | 4 | x | − | 4 | ) | × | 1 16 |
= | 1 2 | ( | 2 | − | x | ) | − | x | ( | 2 | − | x | ) | × | 1 4 | + | ( | - | x | x | + | 4 | x | − | 4 | ) | ( | - | x | x | + | 4 | x | − | 4 | ) | × | 1 16 |
= | 1 2 | × | 2 | − | 1 2 | x | − | x | ( | 2 | − | x | ) | × | 1 4 | + | ( | - | x | x | + | 4 | x | − | 4 | ) | ( | - | x | x | + | 4 | x | − | 4 | ) | × | 1 16 |
= | 1 | − | 1 2 | x | − | x | ( | 2 | − | x | ) | × | 1 4 | + | ( | - | x | x | + | 4 | x | − | 4 | ) | ( | - | x | x | + | 4 | x | − | 4 | ) | × | 1 16 |
= | 1 | − | 1 2 | x | − | x | × | 2 | × | 1 4 | + | x | x | × | 1 4 | + | ( | - | x | x | + | 4 | x | − | 4 | ) | ( | - | x | x | + | 4 | x | − | 4 | ) | × | 1 16 |
= | 1 | − | 1 2 | x | − | x | × | 1 2 | + | x | x | × | 1 4 | + | ( | - | x | x | + | 4 | x | − | 4 | ) | ( | - | x | x | + | 4 | x | − | 4 | ) | × | 1 16 |
= | 1 | − | 1 | x | + | x | x | × | 1 4 | + | ( | - | x | x | + | 4 | x | − | 4 | ) | ( | - | x | x | + | 4 | x | − | 4 | ) | × | 1 16 |
= | 1 | − | 1 | x | + | x | x | × | 1 4 | − | x | x | ( | - | x | x | + | 4 | x | − | 4 | ) | × | 1 16 | + | 4 | x |
= | 1 | − | 1 | x | + | x | x | × | 1 4 | − | x | x | ( | - | x | x | + | 4 | x | − | 4 | ) | × | 1 16 | + | 1 4 | x |
= | 1 | − | 1 | x | + | x | x | × | 1 4 | + | x | x | x | x | × | 1 16 | − | x |
= | 1 | − | 1 | x | + | x | x | × | 1 4 | + | x | x | x | x | × | 1 16 | − | x |
= | 1 | − | 1 | x | + | x | x | × | 1 4 | + | x | x | x | x | × | 1 16 | − | x |
= | 1 | − | 1 | x | + | x | x | × | 1 4 | + | x | x | x | x | × | 1 16 | − | x |
= | 1 | − | 2 | x | + | x | x | × | 1 4 | + | x | x | x | x | × | 1 16 | − | x |
= | 1 | − | 2 | x | + | x | x | × | 1 4 | + | x | x | x | x | × | 1 16 | − | x |
= | 1 | − | 2 | x | + | x | x | × | 1 4 | + | x | x | x | x | × | 1 16 | − | x |
= | 2 | − | 3 | x | + | x | x | × | 1 4 | + | x | x | x | x | × | 1 16 | − | x |
2 | − | 3 | x | + | x | x | × | 1 4 | + | x | x | x | x | × | 1 16 | − | x | = | ( | x | − | 1 | ) | ( | x | − | 1 | ) |
方程右边 = | x | ( | x | − | 1 | ) | − | 1 | ( | x | − | 1 | ) |
= | x | x | − | x | × | 1 | − | 1 | ( | x | − | 1 | ) |
= | x | x | − | 1 | x | − | 1 | x | + | 1 | × | 1 |
= | x | x | − | 1 | x | − | 1 | x | + | 1 |
= | x | x | − | 2 | x | + | 1 |
2 | − | 3 | x | + | x | x | × | 1 4 | + | x | x | x | x | × | 1 16 | − | x | = | x | x | − | 2 | x | + | 1 |