1" alt="\frac{3x}{x^2+3x}>1" align="absmiddle" class="latex-formula">
0" alt="\frac{3x}{x^2+3x}-1>0" align="absmiddle" class="latex-formula">
0" alt="\frac{3x}{x^2+3x}- \frac{x^2+3x}{x^2+3x} >0" align="absmiddle" class="latex-formula">
0" alt="\frac{3x-x^2-3x}{x^2+3x} >0" align="absmiddle" class="latex-formula">
0" alt="\frac{-x^2}{x^2+3x}>0" align="absmiddle" class="latex-formula">
0" alt="-x^2(x^2+3x)>0" align="absmiddle" class="latex-formula">
0" alt="-x^2 \cdot x(x+3)>0" align="absmiddle" class="latex-formula">
0" alt="-x^3(x+3)>0" align="absmiddle" class="latex-formula">