Answer:
x² +3
Step-by-step explanation:
Given these roots, two of the factors are binomials that are zero when x is one of these values:
(x -√3i), (x +√3i)
If you form the product of these factors, you get a polynomial with real, rational coefficients:
(x -√3i)(x +√3i) = x² -(√3)²(i²) = x² +3
