Question 373549
{{{X^2+(2/3)x+7/3=0}}},
{{{x^2+(2/3)x+ 1/9+7/3= 1/9}}},
{{{(x+1/3)^2+ 7/3 = 1/9}}},
{{{(x+1/3)^2 = -20/9}}},
{{{x+1/3 = (2i*sqrt(5))/3}}} 0r {{{x+1/3 = -(2i*sqrt(5))/3}}}
{{{x = -1/3 + (2i*sqrt(5))/3}}}or {{{x = -1/3 - (2i*sqrt(5))/3}}}