If the roots of the following quadratic equation exist,find them by the method of completing the square: $3x^2 + 7x + 5 = 0$.

  • A
    Roots exist and are $x = \frac{-7 \pm \sqrt{11}}{6}$
  • B
    Roots exist and are $x = \frac{-7 \pm \sqrt{11}}{3}$
  • C
    Roots do not exist
  • D
    Roots exist and are $x = \frac{-7 \pm \sqrt{11}}{2}$

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