2x+9 |
x+3 |
1 |
x−3 |
(2x+9)(x−3)−(x+3) |
(x+3)(x−3) |
2(x−5)(x+3) |
(x+3)(x−3) |
2(x−5) |
x−3 |
根据题意得:
2(x−5) |
x−3 |
2 |
x |
方程的两边同乘x(x-3),得2x(x-5)=2x(x-3)+2(x-3),
解得x=1.
检验:把x=1代入x(x-3)≠0.
∴原方程的解为:x=1.
2x+9 |
x+3 |
1 |
x−3 |
2 |
x |
2x+9 |
x+3 |
1 |
x−3 |
(2x+9)(x−3)−(x+3) |
(x+3)(x−3) |
2(x−5)(x+3) |
(x+3)(x−3) |
2(x−5) |
x−3 |
2(x−5) |
x−3 |
2 |
x |