If a polynomial with real coefficients has a root of $$ -4 +...

Question Analysis
This problem assesses the student's ability to apply the Conjugate Root Theorem to find the conjugate of a given complex root.

Key Concept Explanation
The Conjugate Root Theorem states that for a polynomial with real coefficients, if is a root, then must also be a root.

Step-by-step Solution
1. Identify the given root: