解方程2/(x+8)+5/(x+9)=3/(x+15)+4/(x+6)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 23:54:41
![解方程2/(x+8)+5/(x+9)=3/(x+15)+4/(x+6)](/uploads/image/z/178175-47-5.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B2%2F%28x%2B8%29%2B5%2F%28x%2B9%29%3D3%2F%28x%2B15%29%2B4%2F%28x%2B6%29)
解方程2/(x+8)+5/(x+9)=3/(x+15)+4/(x+6)
解方程2/(x+8)+5/(x+9)=3/(x+15)+4/(x+6)
解方程2/(x+8)+5/(x+9)=3/(x+15)+4/(x+6)
移项5/x+9-4/x+6=3/x+15-2/x+8
x-6/(x+9)(x+6)=x-6/(x+15)(x+8)
x=6
-33/4
解不出来啊,最后约到
4x2(平方)+9x-198=0