Step-by-step explanation:
n+4-9-5n
n-5n+4-9
-4n-5
It is composite because it can be divided by 2 and 4.
Answer:
18).
[tex]n + 4 - 9 - 5n \\ = (n - 5n) + (4 - 9) \\ = - 4n - 5 \\ = - (4n + 5)[/tex]
20).
It is a composite number, because it had more than two factors
