B. Determine whether each of the following is a quadratic equation or not. 1. 2x²+ 6x = 5 2. 4x? -7x? = 0 3. x(4x?) = -12x² + 4x – 52

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A: Here is the solution:

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A: Here are the solutions of the given problems.

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A: Topic- Quadratic Equation

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A: The question  asked about the basic concepts  related to quadratic  equations.

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A:

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A:

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A: