_________________ / 2 x + \/ x - 24*x + 144
x + sqrt(x^2 - 24*x + 144) при x = -1/3
x + sqrt(x^2 - 24*x + 144)
(-1/3) + sqrt((-1/3)^2 - 24*(-1/3) + 144)
-1/3 + sqrt((-1/3)^2 - 24*(-1)/3 + 144)
12
x + (144.0 + x^2 - 24.0*x)^0.5
___________________ x + \/ 144 + x*(-24 + x)