Here's the question you clicked on:
Zekkou
Simplify if possible 2x/4x-8x^2
coomon you are asking the same kind of questions... try to think a little bit they helped you to do the others
Oh sorry I just didn't quite understand the other solution so I posted another similar question to verify why the other one was correct.
If I can't make verify anything with this one I was gonna ask for individual steps