Question 1063446
x^2-3x-1=0
x=(1/2)(3+/- sqrt (9+4)
x=(1/2)(3+ sqrt 13) and (1/2) (3- sqrt 13)
numerically, this is 3.31 and -0.3
{{{graph(300,300,-10,10,-10,10,x^2-3x-1)}}}