What is the complete factored form of f(x)=x3+5x2+4x−6?

A: f(x)=(x+3) (x-(-1+√3)) (x-(-1-√3))
B: f(x)=(x−3)(x−(−1+i√3)) (x−(−1−i√3))
C: f(x)=(x+3)(x−(−1+i√3)) (x−(−1−i√3))
D: f(x)=(x−3)(x−(−1+√3)) (x−(−1−√3))

Please answer as soon as possible!