Which two expressions are equivalent to 12x+4

Question

4(3x + 1)

12x + 2 + x + 2

3x + 4x + 4

(6x + 2) + (6x + 2)

Answer 1

The two expressions that are equivalent to 12x+4 are:
1. 4(3x + 1)
2. 3x + 4x + 4