Question 1084683
x^2-7240x-14000=0
I would use the quadratic formula
x=(1/2)(7240+/- sqrt of (7240^2+56000); that sqrt is 7243.87
x=-3.87/2 or -1.935 and 7241.93
{{{graph(300,300,-3,-1,-100000,10000,x^2-7240x-14000)}}}
{{{graph(300,300,7240,7245,-100000,1000000,x^2-7240x-14000)}}}