Algebra-2

Question Analysis
This problem assesses the student's ability to solve a quadratic equation by completing the square.

Key Concept Explanation
To solve the quadratic equation by completing the square, we follow these steps: 1. Move the constant term to the right side. 2. Add to both sides. 3. Factor the left side into a perfect square trinomial. 4. Take the square root of both sides. 5. Solve for .

Step-by-step Solution
1. Move the constant term to the right side:
2. Add to both sides:
3. Factor the left side: