Algebra-2

Question Analysis
This problem assesses the student's ability to solve a square root equation and validate the solution.

Key Concept Explanation
To solve the equation , we need to eliminate the square root by squaring both sides. Then, we solve the resulting linear equation and verify the solution.

Step-by-step Solution
1. Square both sides of the equation:
2. Simplify:
3. Add 14 to both sides:

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