Question

(9w4+5w3+w2+8w+4)+(5w3+2w2+4w+4)

Answer 1

`=9w^4+5w^3+8w^2+12w+8`

Explanation:

`\left(9w^4+5w^2+w^2+8w+4\right)+\left(5w^3+2w^2+4w+4\right)`

`=9w^4+5w^3+5w^2+w^2+2w^2+8w+4w+4+4`

`=9w^4+5w^3+5w^2+w^2+2w^2+8w+4w+8`

`=9w^4+5w^3+8w^2+8w+4w+8`

`=9w^4+5w^3+8w^2+12w+8`

Answer 2

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