2. Factorize: [tex]P(x, y)=3 x^4 y+3 x^3 y^2-18 x^2 y^3[/tex].

Then, determine a prime factor.

A) [tex]x+y[/tex]
B) [tex]x+2 y[/tex]
C) [tex]x-2 y[/tex]
D) [tex]x-3 y[/tex]
E) [tex]x-y[/tex]