( | 12827 | x | × | 39813 10000 | + | x | ) | + | ( | 12827 | − | x | ) | = | 20 100 |
方程左边 = | 12827 | x | × | 39813 10000 | + | x | + | ( | 12827 | − | x | ) |
= | 510681351 10000 | x | + | x | + | ( | 12827 | − | x | ) |
= | 510691351 10000 | x | + | ( | 12827 | − | x | ) |
= | 510691351 10000 | x | + | 12827 | − | x |
= | 510681351 10000 | x | + | 12827 |
510681351 10000 | x | + | 12827 | = | 20 100 |
510681351 10000 | x | = | 20 100 | − | 12827 |
510681351 10000 | x | = | - | 64134 5 |
x | = | - | 64134 5 | ÷ | 510681351 10000 |
= | - | 64134 5 | × | 10000 510681351 |
= | - | 21378 | × | 2000 170227117 |
x | = | - | 42756000 170227117 |
x | = | - 0.25117 |