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To find the area of a square, the formula is:

          A = s²
          where:  A = area     and    s = side

To write this as quadratic equation:
     s² + A = 0         (in the form ax² + c = 0)

     s² = A                (in the form ax² = c)

ANSWER:  s² = A

To solve this form of quadratic equation, the solution is by extracting the roots.

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