OP describes himself as a professional mathematician and then fails to notice that common core produces an identical result in the third picture. (-5/2)-sqrt

OP describes himself as a professional mathematician and then fails to notice that common core produces an identical result in the third picture. (-5/2)-sqrt(57/4) vs (-5-sqrt(57))/2 Looks like op is biased towards one side. So why downvote my comment if it is apparently an April fools post?