Answer:
27
Step-by-step explanation:
The answer is x=27
Answer:
it a or the first one or whatevr u wanna call it jsut #1
Step-by-step explanation:
Answer:
w² +9w +20
Step-by-step explanation:
Multiply it out, collect terms, and write as descending powers of w.
(5+w)(w+4) = 5w +5·4 +w² +w·4
= w² +9w +20