Algebra-1

Question Analysis
This question tests the student's ability to solve a quadratic equation where the linear coefficient is zero. The equation is in the form , and the student needs to isolate and take the square root of both sides.

Key Concept Explanation
When the linear coefficient is zero, the quadratic equation simplifies to . The steps to solve this type of equation involve isolating and then taking the square root of both sides.

Step-by-step Solution
1. Start with the given equation: .
2. Add 216 to both sides to isolate the quadratic term:

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