$$\left. \begin{array} { l } { 6. ( 2 x ^ { 4 } + x ^ { 3 } - 27 x ^ { 2 } - 36 x + 155 ) } \\ { 8. ( x ^ { 2 } - 7 x y - 18 y ^ { 2 } ) ( x - 9 y ) } \end{array} \right.$$
$24\left(2x^{7}+x^{6}-27x^{5}-36x^{4}+155x^{3}-4374x^{2}y^{3}-5832xy^{3}+6975xy^{2}+324y^{3}x^{4}+25110y^{3}+90y^{2}x^{5}+45y^{2}x^{4}-1215y^{2}x^{3}-32yx^{6}-16yx^{5}+432yx^{4}+576yx^{3}-2480yx^{2}+162\left(xy\right)^{3}-1620\left(xy\right)^{2}\right)$
$6\left(2x^{4}+x^{3}-27x^{2}-36x+155\right),\ 8\left(x+2y\right)\left(x-9y\right)^{2}$
