( | 24 | ÷ | x | + | 4 | ) | ( | x | − | 6 | ) | × | 1 | ÷ | 2 | = | 45 |
24 | ÷ | x | × | ( | x | − | 6 | ) | × | 1 | ÷ | 2 | + | 4 | ( | x | − | 6 | ) | × | 1 | ÷ | 2 | = | 45 |
12 | ÷ | x | × | ( | x | − | 6 | ) | + | 2 | ( | x | − | 6 | ) | = | 45 |
方程两边同时乘以: | x |
12 | ( | x | − | 6 | ) | + | 2 | ( | x | − | 6 | ) | x | = | 45 | x |
12 | x | − | 12 | × | 6 | + | 2 | ( | x | − | 6 | ) | x | = | 45 | x |
12 | x | − | 72 | + | 2 | ( | x | − | 6 | ) | x | = | 45 | x |
12 | x | − | 72 | + | 2 | x | x | − | 2 | × | 6 | x | = | 45 | x |
12 | x | − | 72 | + | 2 | x | x | − | 12 | x | = | 45 | x |
0 | x | − | 72 | + | 2 | x | x | = | 45 | x |
x1= | - | 3 2 |
x2=24 |