Respuesta :

Answer:

the answer is w ^2 + 9 w + 20

Step-by-step explanation:

(5+W)(W+4)

multiply w by w and get w^2 and the 5+w=5w and 4+w=4w and get 9w and then multiply 5*4=20 and then put all together in order of greatest exponent to smallest

w^2+9w+20

hope this helps :) plz give brainiest