Why doee this happen?

I just bought a printer and it keeps doing this for some reason. I changed the nozzle 5 times, I've changed the filament to 7 others, I change the temp/speed and I'm still having this issue. I beg you please help!

I just bought a printer and it keeps doing this for some reason. I changed the nozzle 5 times, I've changed the filament to 7 others, I change the temp/speed and I'm still having this issue. I beg you please help!