0}\atop {x>0}}\right.\\\\\left\{ {{x>10/7}\atop {x>0}} \right.\\\\x>10/7\\x>1\frac{3}{7}\\\\log_{0,7}(7x-10)x^2\\x^2-7x+10<0\\(x-5)(x-2)<0" alt="log_{0,7}(7x-10)<2log_{0,7}x\\\\ \left \{ {{7x-10>0}\atop {x>0}}\right.\\\\\left\{ {{x>10/7}\atop {x>0}} \right.\\\\x>10/7\\x>1\frac{3}{7}\\\\log_{0,7}(7x-10)x^2\\x^2-7x+10<0\\(x-5)(x-2)<0" align="absmiddle" class="latex-formula">
+ - +
_____________2____________5_____________
x∈(2;5)