1 | ÷ | 4 | × | x | = | - | 1 | ÷ | 4 | × | ( | x | − | 4 | ) | ( | x | − | 4 | ) | + | 4 |
方程左边 = | 1 4 | x |
1 4 | x | = | - | 1 | ÷ | 4 | × | ( | x | − | 4 | ) | ( | x | − | 4 | ) | + | 4 |
方程右边 = | - | 1 4 | ( | x | − | 4 | ) | ( | x | − | 4 | ) | + | 4 |
1 4 | x | = | - | 1 4 | ( | x | − | 4 | ) | ( | x | − | 4 | ) | + | 4 |
方程右边 = | - | 1 4 | x | ( | x | − | 4 | ) | + | 1 4 | × | 4 | ( | x | − | 4 | ) | + | 4 |
= | - | 1 4 | x | ( | x | − | 4 | ) | + | 1 | ( | x | − | 4 | ) | + | 4 |
= | - | 1 4 | x | x | + | 1 4 | x | × | 4 | + | 1 | ( | x | − | 4 | ) | + | 4 |
= | - | 1 4 | x | x | + | 1 | x | + | 1 | ( | x | − | 4 | ) | + | 4 |
= | - | 1 4 | x | x | + | 1 | x | + | 1 | x | − | 1 | × | 4 | + | 4 |
= | - | 1 4 | x | x | + | 1 | x | + | 1 | x | − | 4 | + | 4 |
= | - | 1 4 | x | x | + | 2 | x | − | 0 |
1 4 | x | = | - | 1 4 | x | x | + | 2 | x | − | 0 |