( | x | + | 3 16 | ) | x | = | 221 100 | ( | 1 16 | − | x | ) | ( | 7 8 | − | x | ) |
方程左边 = | x | x | + | 3 16 | x |
x | x | + | 3 16 | x | = | 221 100 | ( | 1 16 | − | x | ) | ( | 7 8 | − | x | ) |
方程右边 = | 221 100 | × | 1 16 | ( | 7 8 | − | x | ) | − | 221 100 | x | ( | 7 8 | − | x | ) |
= | 221 1600 | ( | 7 8 | − | x | ) | − | 221 100 | x | ( | 7 8 | − | x | ) |
= | 221 1600 | × | 7 8 | − | 221 1600 | x | − | 221 100 | x | ( | 7 8 | − | x | ) |
= | 1547 12800 | − | 221 1600 | x | − | 221 100 | x | ( | 7 8 | − | x | ) |
= | 1547 12800 | − | 221 1600 | x | − | 221 100 | x | × | 7 8 | + | 221 100 | x | x |
= | 1547 12800 | − | 221 1600 | x | − | 1547 800 | x | + | 221 100 | x | x |
= | 1547 12800 | − | 663 320 | x | + | 221 100 | x | x |
x | x | + | 3 16 | x | = | 1547 12800 | − | 663 320 | x | + | 221 100 | x | x |