1 |
x+4 |
1 |
x+5 |
1 |
x+2 |
1 |
x+3 |
化簡可得
1 |
x+4 |
1 |
x+5 |
1 |
x+2 |
1 |
x+3 |
1 |
(x+4)(x+5) |
1 |
(x+2)(x+3) |
方程的兩邊同乘(x+2)(x+3)(x+4)(x+5),得
(x+2)(x+3)=(x+4)(x+5),
解得x=-
7 |
2 |
檢驗:把x=-
7 |
2 |
9 |
16 |
∴原方程的解為:x=-
7 |
2 |
x+3 |
x+4 |
x+4 |
x+5 |
x+1 |
x+2 |
x+2 |
x+3 |
1 |
x+4 |
1 |
x+5 |
1 |
x+2 |
1 |
x+3 |
1 |
x+4 |
1 |
x+5 |
1 |
x+2 |
1 |
x+3 |
1 |
(x+4)(x+5) |
1 |
(x+2)(x+3) |
7 |
2 |
7 |
2 |
9 |
16 |
7 |
2 |