Question 481236
the discriminant 
{{{D=b^2-4ac}}}
{{{3x^2-7x-2=0}}}
{{{a=3}}}, {{{b=-7}}}, {{{c=-2}}}
{{{D=(-7)^2-4*3*(-2)=73>0}}}
the discriminant >0, so the equation has two real numbers roots