Question 362381
{{{f(x)=-2x^2 + 12x - 5}}}
{{{f(x)=2(x^2 - 6x)  -5}}}
{{{f(x)=2(x^2 - 6x + 9)-5-2(9) }}}
{{{f(x)=2(x - 3)^2-5-18}}}
{{{highlight(f(x)=2(x-3)^2-23)}}}