56 | x | − | ( | 580 | + | 40 | x | ) | − | ( | 56 | x | × | 13 100 | − | 5 | x | ) | × | 3 25 | = | 0 |
方程左边 = | 56 | x | − | 580 | − | 40 | x | − | ( | 56 | x | × | 13 100 | − | 5 | x | ) | × | 3 25 |
= | 16 | x | − | 580 | − | ( | 56 | x | × | 13 100 | − | 5 | x | ) | × | 3 25 |
= | 16 | x | − | 580 | − | 56 | x | × | 13 100 | × | 3 25 | + | 5 | x | × | 3 25 |
= | 16 | x | − | 580 | − | 546 625 | x | + | 3 5 | x |
= | 9829 625 | x | − | 580 |
9829 625 | x | − | 580 | = | 0 |
9829 625 | x | = | 0 | + | 580 |
9829 625 | x | = | 580 |
x | = | 580 | ÷ | 9829 625 |
= | 580 | × | 625 9829 |
x | = | 362500 9829 |
x | = | 36.880659 |