Brahmagupta's Formula for Solving Quadratic Equations

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Multiple Choice

What is the general form of a quadratic equation?

  1. $$ax^2 + bx + c = 0$$
  2. $$ax^2 - bx + c = 0$$
  3. $$ax^2 + bx - c = 0$$
  4. $$ax^2 - bx - c = 0$$
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