Question 885726
f(x)=-6x^2+6x/3

{{{f(x)=-6x^2+6x/3}}}
{{{f(x)=-6x^2+2x}}}
-
{{{-6x^2+2x=0}}}
{{{-2x(3x-1)=0}}}
{{{x(3x-1)=0}}}


The solutions are {{{x=0}}} or {{{x=1/3}}}.  This does not match any of your given choices.