[tex]n[/tex] - a number [tex]n^2[/tex] - its square [tex]n+n^2[/tex] - the sum [tex]\leq[/tex] - less than or equal negative three - I don't have to explain this one, do I?
[tex]n+n^2\leq-3[/tex] - the sum of a number and its square is less than or equal negative three