0} \atop {5x+1>0}} \right. \; \left \{ {{x(x-3)>0} \atop {x>-\frac{1}{5}}} \right. \; \left \{ {{x\in(-\infty,0)U(3,+\infty)} \atop {x\in (-\frac{1}{5},+\infty)}} \right. \\\\x\in (-\frac{1}{5},0)U(3,+\infty)" alt="OOF;\; \left \{ {{x^2-3x>0} \atop {5x+1>0}} \right. \; \left \{ {{x(x-3)>0} \atop {x>-\frac{1}{5}}} \right. \; \left \{ {{x\in(-\infty,0)U(3,+\infty)} \atop {x\in (-\frac{1}{5},+\infty)}} \right. \\\\x\in (-\frac{1}{5},0)U(3,+\infty)" align="absmiddle" class="latex-formula">