Question 540427
{{{9x^3+9x^2-25x-25=0}}}
{{{9x^2(x+1)-25(x+1)=0}}}
{{{(x+1)(9x^2-25)=0}}}
{{{x+1=0}}} or {{{9x^2-25=0}}}
{{{x=-1}}} or {{{x^2=25/9}}}
{{{x=-1}}}, {{{x=-5/3}}}, {{{x=5/3}}}