2 x - 6*x - 5
x^2 - 6*x - 5
2 -5 + x - 6*x
-5 + x^2 - 6*x
/ ____\ / ____\ \x + -3 + \/ 14 /*\x + -3 - \/ 14 /
(x - 3 + sqrt(14))*(x - 3 - sqrt(14))
-5 + x*(-6 + x)
-5.0 + x^2 - 6.0*x