Question 224650
x^2+6x-4=0
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
x=(-6+-sqrt[6^2-4*1*-4])/2*1
x=(-6+-sqrt[36+16])/2
x=(-6+-sqrt[52])/2
x=(-6+-7.2111)/2
x=(-6+7.2111)/2
x=1.2111/2
x=.60555 ans.
x=(-6-7/2111)/2
x=-13.2111)/2
x=-6.60555 ans.