Question 118374
5x^2+5x+1=0
USING THE PYTHAGOREON THE0REM 
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
X=(-5+-SQRT[-5^2-4*5*1])/2*5
X=(-5+-SQRT[25-20])/10
X=(-5+-SQRT5)/10
X=(-5+-2.236)/10
X=(-5+2.236)/10
X=2.764/10
X=-.2764 ANSWER.
X=(-5-2.236)/10
X=-7.236/10
X=-.7236 ANSWER.