Question 290925
what happens when your quadratic looks like this. 
x^2=-x+4
Rearrange:
x^2 + x - 4 = 0
Use the quadratic formula:
x = [-1 +- sqrt(1-4*-4)]/2
---
x = [-1+- sqrt(17)]/2
===========================
{{{graph(400,300,-10,10,-10,10,x^2+x-4)}}}
===========================
Cheers,
Stan H.