Factorise the following:
$9 x^{2}+4 y^{2}+16 z^{2}+12 x y-16 y z-24 x z$

  • A
    $(3x + 2y - 4z)^2$
  • B
    $(3x - 2y + 4z)^2$
  • C
    $(3x + 2y + 4z)^2$
  • D
    $(3x - 2y - 4z)^2$

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