Solve the following quadratic equation using the method of factorization: $2x^2 + ax - a^2 = 0$.

  • A
    $a, -\frac{a}{2}$
  • B
    $-a, \frac{a}{2}$
  • C
    $-a, -\frac{a}{2}$
  • D
    $a, \frac{a}{2}$

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