Question 522040
{{{3y^2-36y-135=0}}}
{{{3y^2-36y-135=0}}}
{{{3y^2-45y+9y-135=0}}}
{{{3y^2-45y+9y-135=0}}}
{{{3y(y-15)+9(y-15)=0}}}
{{{3y(y-15)+9(y-15)=0}}}
{{{(y-15)(3y+9)=0}}}
{{{(y-15)=0}}} or {{{(3y+9)=0}}}
{{{y=15}}} or {{{3y=-9}}}
{{{y=15}}} or {{{y=-9/3}}}
{{{y=15}}} or {{{y=-3}}}