( | 10 | - | x | ) | ( | 9 | - | x | ) | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) | = | 0 |
方程左边 = | 10 | ( | 9 | - | x | ) | ( | 16 | - | x | ) | - | x | ( | 9 | - | x | ) | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) |
= | 10 | × | 9 | ( | 16 | - | x | ) | - | 10 | x | ( | 16 | - | x | ) | - | x | ( | 9 | - | x | ) | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) |
= | 90 | ( | 16 | - | x | ) | - | 10 | x | ( | 16 | - | x | ) | - | x | ( | 9 | - | x | ) | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) |
= | 90 | × | 16 | - | 90 | x | - | 10 | x | ( | 16 | - | x | ) | - | x | ( | 9 | - | x | ) | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) |
= | 1440 | - | 90 | x | - | 10 | x | ( | 16 | - | x | ) | - | x | ( | 9 | - | x | ) | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) |
= | 1440 | - | 90 | x | - | 10 | x | × | 16 | + | 10 | x | x | - | x | ( | 9 | - | x | ) | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) |
= | 1440 | - | 90 | x | - | 160 | x | + | 10 | x | x | - | x | ( | 9 | - | x | ) | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) |
= | 1440 | - | 250 | x | + | 10 | x | x | - | x | ( | 9 | - | x | ) | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) |
= | 1440 | - | 250 | x | + | 10 | x | x | - | x | × | 9 | ( | 16 | - | x | ) | + | x | x | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) |
= | 1440 | - | 250 | x | + | 10 | x | x | - | x | × | 9 | × | 16 | + | x | × | 9 | x | + | x | x | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) |
= | 1440 | - | 250 | x | + | 10 | x | x | - | x | × | 144 | + | x | × | 9 | x | + | x | x | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) |
= | 1440 | - | 394 | x | + | 10 | x | x | + | x | × | 9 | x | + | x | x | ( | 16 | - | x | ) | - | 144 | ( | 10 | - | x | ) |
= | 1440 | - | 394 | x | + | 10 | x | x | + | x | × | 9 | x | + | x | x | × | 16 | - | x | x | x | - | 144 | ( | 10 | - | x | ) |
= | 1440 | - | 394 | x | + | 10 | x | x | + | x | × | 9 | x | + | x | x | × | 16 | - | x | x | x | - | 144 | × | 10 | + | 144 | x |
= | 1440 | - | 394 | x | + | 10 | x | x | + | x | × | 9 | x | + | x | x | × | 16 | - | x | x | x | - | 1440 | + | 144 | x |
= | 0 | - | 250 | x | + | 10 | x | x | + | x | × | 9 | x | + | x | x | × | 16 | - | x | x | x |
- | 250 | x | + | 10 | x | x | + | x | × | 9 | x | + | x | x | × | 16 | - | x | x | x | = | 0 |