Square root of a quartic polynomial that is a perfect square

1. A.
   $49x^2 + 3x + 2$
2. B.
   $49x^2 - 3x + 2$
3. C.
   $49x^2 + 2$
4. D.
   $59x^2 + 2$

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1. A.
   $2x^2 - 2x - 1$
2. B.
   $2x^2 - x - 1$
3. C.
   $2x^2 + 2x + 1$
4. D.
   $2x^2 + 2x - 1$

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