Answer :
Since 4 and 12 share a common factor of 4, you could write:
4x + 12 = 4 (x + 3)
Also, since 4 and 12 share a common factor of 2, you could write:
4x + 12 = 2 ( 2x + 6)
4x + 12 = 4 (x + 3)
Also, since 4 and 12 share a common factor of 2, you could write:
4x + 12 = 2 ( 2x + 6)