Question

Which expression is equivalent to 9a + 12? (1 point)

a
3(3a + 2)

b
3(6a + 9)

c
3(3a + 4)

d
3(6a + 3)

Answer 1

C
This answer is C because 3 is the only common factor 9 and 12 have in common and when you divide each by 3 you get 3 and 4

Answer 2

C
3(3a) = 9a
3(4) = 12
3(3a +4) = 9a +12