Question 92641
{{{y^2-6y-8=0}}}
{{{y^2-6y+9=8+9}}}
{{{(y-3)^2=17}}}
{{{y-3=sqrt(17)}}}
{{{y=3+-sqrt(17)}}}
{{{y=3+sqrt(17)}}}; {{{y=3-sqrt(17)}}}
{{{y=3+4.123=7.123}}}
{{{y=3-4.123=1.123}}}
:)