Algebra-2

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

Key Concept Explanation
Completing the square involves transforming the quadratic equation into a perfect square trinomial and then solving for .

Step-by-step Solution
1. Start with the equation:
2. Divide all terms by 3:
3. Move the constant term to the right side:
4. Add to both sides:

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