Question

Four expressions are shown below:

2(4x + 2)
2(3x + 3)
6x + 6
8x + 4


Which two expressions are equivalent to 2(3x + 2 + x)?

A and D
B and D
A and C
C and B

Answer 1

A. 2(4x + 2) and D. 8x + 4

Explanation:

Answer 2

A and D are equivalent, because if you add the x terms you get 2(4x+2), and if you multiply that out by distributing the 2, you get 8x+4.