rip in engine bay???

hi, its a hard one but on my car , if your looking at the engine bay on the left hand side inner wing what a couple of things are bolted to has a bit tear down it ,ive had the car three months and have only just noticed it because it tore the inner wall of my tyre lucky it didnt blow out , how could this rip of hapenen had it been in a smash or what ?????im taking it back to the garage to see what they say but wanted some info!!!!!he will say we would have not sold it like that ! but it is immpossible to do unless in a smash???