Expand the following:
$(-x+2y-3z)^{2}$
$(-x+2y-3z)^{2}$
- A$x^{2}+4y^{2}+9z^{2}-4xy-12yz+6xz$
- B$x^{2}+4y^{2}+9z^{2}-4xy-12yz-6xz$
- C$x^{2}+4y^{2}+9z^{2}+4xy-12yz+6xz$
- D$x^{2}+4y^{2}+9z^{2}-4xy+12yz+6xz$
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