Experimental Triple Monitor Issue

I am having an issue in where my game is very squished horizontally, I have looked around and have only found 2 other people talking about it, with of course no solution. My resolution is 5760 x 1080 (21:9), if anybody has a solution for the squishing that would be greatly appreciated. (also the camera here is extremely zoomed out compared to normal, as the normal camera is right on the car's rear bumper, you cant see anything except the rear lights)

 

I use radeon eyefinity, but I assume the advice would be the same, so I turned it off and in fullscreen I cant get it to span all 3, only one, the options dont show a higher resolution. I made sure that the triple monitor setting was on and eyefinity off, same result. In windowed I can get the game across all 3 monitors by stretching it, but get the same result as in my original post.

 

Sorry if my reply was a little confusing, I mean that the issue still occurs in windowed without eyefinity