Answer:
(x²+ 5 + 3x + 2)+ (3x²ty)
(x² +6 +3x) + ( 3tx²y)
x² +6+3x +3tx²y
[tex]sln \\ (x {}^{2} + 4 + 3x + 2) + (3x ^{2} ty) \\ x {}^{2} + 6 + 3x {}^{2} t y \\ 3x {}^{2} ty + x {}^{2} + 6[/tex]