Answer:
5a + 5
Step-by-step explanation:
5(a+1)=
5xa + 5x1=
5 (a + 1) = 5a + 5
You only have to open the parenthesis to simplify this expression.
5 (a + 1)
You multiply 5 by a, and you get 5a.
You also multiply 5 by 1, and you get 5.
So, 5 (a + 1) = 5a + 5.