Form a polynomia f(x) with real coefficients having the given degree and zeros
Degree: 5 ; Zeros: 2, -3i and 4-i
the complex roots come in pairs, so
f(x) = (x-1)(x-3i)(x+3i)(x-(4-i))(x-(4+i))
Degree: 5 ; Zeros: 2, -3i and 4-i
f(x) = (x-1)(x-3i)(x+3i)(x-(4-i))(x-(4+i))