Respuesta :

that is a simple polynomial addition:
(7w3-4w+3)+(5w3-3w-3)
(7w^3 - 4w + 3) + (5w^3 - 3w - 3)
7w^3 - 4w + 3 + 5w^3 - 3w - 3
= 12w^3 - 7w
= w(
12w^2 - 7)