ОДЗ: 0,} \atop {4x-2>0}} \right.=>x=(4;+oo) " alt=" \left \{ {{x^2+x-20>0,} \atop {4x-2>0}} \right.=>x=(4;+oo) " align="absmiddle" class="latex-formula">
x^2+x-20<4x-2<=> \\ <=>x^2-3x-18<0<=>(x+3)(x-6)<0=>x=(-3;6)" alt="lg(x^2+x-20)x^2+x-20<4x-2<=> \\ <=>x^2-3x-18<0<=>(x+3)(x-6)<0=>x=(-3;6)" align="absmiddle" class="latex-formula">
=>Ответ: хє(4;6)