56 | x | − | 40 | x | − | 580 | − | ( | 56 | x | × | 13 100 | − | 5 | ) | × | 3 25 | = | 0 |
方程左边 = | 16 | x | − | 580 | − | ( | 56 | x | × | 13 100 | − | 5 | ) | × | 3 25 |
16 | x | − | 580 | − | ( | 56 | x | × | 13 100 | − | 5 | ) | × | 3 25 | = | 0 |
方程左边 = | 16 | x | − | 580 | − | 56 | x | × | 13 100 | × | 3 25 | + | 5 | × | 3 25 |
= | 16 | x | − | 580 | − | 546 625 | x | + | 3 5 |
= | 9454 625 | x | − | 2897 5 |
9454 625 | x | − | 2897 5 | = | 0 |
9454 625 | x | = | 0 | + | 2897 5 |
9454 625 | x | = | 2897 5 |
x | = | 2897 5 | ÷ | 9454 625 |
= | 2897 5 | × | 625 9454 |
= | 2897 | × | 125 9454 |
x | = | 362125 9454 |
x | = | 38.303893 |