Question 755250
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
{{{x = (-(-2) +- sqrt( (-2)^2-4*1*0 ))/(2*1) }}}
{{{x = (-(-2) +- sqrt( 4-0 ))/(2*1) }}}
{{{x = (2 +- 2)/2 }}}
x= 2 or 0