Algebra-2

Question Analysis
This problem assesses the student's ability to multiply conjugate binomial radicals and simplify the resulting expression.

Key Concept Explanation
When multiplying conjugate binomial radicals, the product of the outer and inner terms cancel out, leaving the square of the first term minus the square of the last term. 

Step-by-step Solution
1. Identify the terms: and .
2. Apply the difference of squares formula: