$$3x^{2}z^{2}+5x^{2}y^{2}z^{2}+rom\ 13x^{2}y^{2}z+4xy^{2}z^{2}+5x^{2}yz^{2}$$
$xz\left(13morxy^{2}+5xyz+5xzy^{2}+3xz+4zy^{2}\right)$
$$xz\left(3xz+5xy^{2}z+13romxy^{2}+4y^{2}z+5xyz\right)$$
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