总述：本次共解1题。其中
☆方程1题
〖 1/1方程〗
作业：求方程 (x-4)*(x-4)*(x-9)+(x-2)*(x-2)*(x-9)+(x-4)*(x+3)*（x+3）-(x+3)*(x+3)*(x-4)-(x-2)*(x+3)*(x+3)-(x+3)*(x-2)*(x+3) = 0 的解.
题型：方程
解:原方程：| | ( | x | − | 4 | ) | ( | x | − | 4 | ) | ( | x | − | 9 | ) | + | ( | x | − | 2 | ) | ( | x | − | 2 | ) | ( | x | − | 9 | ) | + | ( | x | − | 4 | ) | ( | x | + | 3 | ) | ( | x | + | 3 | ) | − | ( | x | + | 3 | ) | ( | x | + | 3 | ) | ( | x | − | 4 | ) | = | 0 |
去掉方程左边的括号：
| 方程左边 = | x | ( | x | − | 4 | ) | ( | x | − | 9 | ) | − | 4 | ( | x | − | 4 | ) | ( | x | − | 9 | ) | + | ( | x | − | 2 | ) | ( | x | − | 2 | ) | ( | x | − | 9 | ) | + | ( | x | − | 4 | ) | ( | x | + | 3 | ) | ( | x | + | 3 | ) |
| = | x | x | ( | x | − | 9 | ) | − | x | × | 4 | ( | x | − | 9 | ) | − | 4 | ( | x | − | 4 | ) | ( | x | − | 9 | ) | + | ( | x | − | 2 | ) | ( | x | − | 2 | ) | ( | x | − | 9 | ) |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | ( | x | − | 9 | ) | − | 4 | ( | x | − | 4 | ) | ( | x | − | 9 | ) |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | x | × | 4 | × | 9 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | x | × | 36 | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 36 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 36 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 36 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 36 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 72 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 72 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 72 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 88 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 88 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 88 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 88 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 88 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 88 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 106 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 106 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 106 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 106 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 106 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 124 | x | − | 4 |
| = | x | x | x | − | x | x | × | 9 | − | x | × | 4 | x | + | 124 | x | − | 4 |
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