Question

Which expressions are equivalent to this expression?

3(n+4)
Select each correct answer.
A.3n−12
B.3n + 4
C.12 + n + n + n
D.2n + 12 +

Answer 1

Answer:

12 + n + n + n

3n + 12

n + n + n + 12

Answer 2

Answer:

c) 12 + n + n + n

Step-by-step explanation:

3(n + 4)

By opening the brackets,

3n + (4 × 3) = 3n + 12

3n + 12 can also be written as 12 + n + n + n

thus, (c) is the correct option