Question

Four expressions are shown:

A. 10x + 6
B. 12x + 4
C. 2(5x + 3)
D. 2(6x + 2)

Which two expressions are equivalent to 2(5x + 2 + x)? (1 point)

Answer 1

2 (5x + 2 + x)
= 2(5x + x + 2)
= 2(6x + 2)

Answer is D.

Answer 2

2(5x + 2 + x) = 12x + 4 - Keep that in mind.

A. 10x + 6 = 2(5x+3)

B. 12x + 4 = 4(3x+1)

C. 2(5x + 3) = 10x+6

D. 2(6x + 2) = 12x+4

In short terms, your final answer would be D.