Determine whether each mathematical sentence is quadratic inequality or not. If quadratic inequality, find is solution set.
1. [tex]x^{2} -7x\ \textless \ 0[/tex]
2. [tex]11+2x^{2} \ \textgreater \ 2x(x+1)[/tex]
3. (x+2)(x+5)[tex]\leq[/tex][tex]0[/tex]
4. [tex]x^{2} +7-8x\geq 0[/tex]
5. [tex]x^{2} +3x=10[/tex]
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