不难,但是有点烦

问题描述:

不难,但是有点烦
[4x/(x-3)-4]^2 / [(4x+3)/(x-3)-8x/(x-3)+4]=25/4
解出的100分酬谢!

[4x/(x-3)-4]^2 / [(4x+3)/(x-3)-8x/(x-3)+4]=25/4
[12/(x-3)]^2/[-9/(x-3)]=25/4
16/(3-x)=25/4
x=11/25