Помогите решить СРОЧНО:
1.Квадратное неравенство:
1) [tex]x^2\ \textgreater \ 25[/tex]
2) [tex](2x-3)(x-1)\ \textgreater \ x^2+17[/tex]
3) [tex]x^2-5x\ \textless \ 0[/tex]
2. [tex] \left \{ {{2x^2\ \textless \ 72} \atop {x\ \textgreater \ 3}} \right. [/tex]
3.[tex] \left \{ {{(x+2)^2\ \textless \ (2x-3)^2-8(x-5)} \atop {x^2-x-4\ \textless \ 0}} \right. [/tex]