Question 847413
{{{7x^2+8=0}}}
{{{7x^2=-8}}}
{{{x^2=8/7}}}
{{{x=0 +- sqrt(-8/7)}}}
{{{x=0 +- (sqrt(7)/7)(2sqrt(2))i}}}
{{{x=0 +- (2/7)sqrt(14)i}}}