Question 63744
{{{3x^2-2x-1>=0}}}
{{{(3x+1)(x-1)>=0}}}
{{{(3x+1)<=0}}} or {{{(x-1)>=0}}}
{{{3x<=-1}}} or {{{x>=1}}}
{{{x<=-1/3}}} or {{{x>=1}}}
ok