Question 389094
{{{5x^2+3x+1=0}}}
Use the quadratic formula,
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
{{{x = (-3 +- sqrt( 3^2-4*5*1 ))/(2*5) }}} 
{{{x = (-3 +- sqrt( 9-20))/(10) }}}
{{{x = (-3 +- sqrt(-11))/10}}}  
{{{x = (-3 +- sqrt(11)*i)/10}}}
{{{highlight(x = -(3/10) +- (sqrt(11)/10)*i)}}}