Question 316420
Complete the square.
{{{ 2x^2-11x-2=0 }}}
{{{x^2-11x-1=0}}}
{{{x^2-11x-121/4-1=121/4}}}
{{{(x-11/2)^2-1=121/4}}}
{{{(x-11/2)^2=121/4+4/4}}}
{{{(x-11/2)^2=125/4}}}
{{{(x-11/2)=0 +- sqrt(125/4)}}}
{{{x-11/2=0 +- 5sqrt(5)/2}}}
{{{x=11/2 +- (5sqrt(5))/2
}}}