How to convolve a signal with itself$ x[n]*x[n]$

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Q. For $ x[n]$ as given in Fig Q1, determine $x[n]*x[n] $

$x[n] = {-2,2,3,0,2}$


Graph


I'm not sure if there has been a mistake but there isn't another impulse response or anything given so I can only assume this is one purpose but I have no idea where to begin. Any help would be greatly appreciated.