$$3xy^{2}-2y^{3}+x^{3}; +5x^{2}y-xq^{2}; -3x^{3}+8x^{3}; +5y^{-3}+9x^{2}y; -2x^{3}+xy^{2}$$
$5y^{2}\left(2x^{2}-y^{2}\right)\left(9x^{2}+5y\right)x^{3}\left(5x^{3}-1\right)\left(x^{3}+3xy^{2}-2y^{3}\right)$
$x^{3}+3xy^{2}-2y^{3},\ xy^{2}\left(5x^{3}-1\right),\ 5x^{3},\ y\left(9x^{2}+5y\right),\ x\left(y^{2}-2x^{2}\right)$
