Respuesta :

arielo620ar
-3w^2 - 7w - 6 should be sorry if its incorrect
uzekakapapa

Answer:

[tex]=9w^4+5w^3+8w^2+12w+8[/tex]

Step-by-step explanation:

[tex]\left(9w^4+5w^2+w^2+8w+4\right)+\left(5w^3+2w^2+4w+4\right)[/tex]

[tex]=9w^4+5w^3+5w^2+w^2+2w^2+8w+4w+4+4[/tex]

[tex]=9w^4+5w^3+5w^2+w^2+2w^2+8w+4w+8[/tex]

[tex]=9w^4+5w^3+8w^2+8w+4w+8[/tex]

[tex]=9w^4+5w^3+8w^2+12w+8[/tex]