Question 961929
The equation posted will render into 
{{{x^2/6-x/2-3=0}}}


Lowest common denominator is 6, so multiply left and right members by 6 to clear the denominators.


{{{6(x^2/6-x/2-3)=0*6}}}


{{{x^2-3x-18=0}}}


{{{(x+3)(x-6)=0}}}


Using Zero Product Rule,  either x=-3  or x=6.