Question

f(x)=x^4-3x^3+6x^2+2x-60 how many zeros does this function have

Answer 1

1. x = 3
2. x = -2
3. x =(2-√-36)/2=1-3i= 1.0000-3.0000i
4. x =(2+√-36)/2=1+3i= 1.0000+3.0000i