Question

Four expressions are shown:

A 6(5x + 3)
B 6(6x + 2)
C 36x + 12
D 30x + 18
Which two expressions are equivalent to 6(5x + 2 + x)?

1)

A and B

2)

B and D

3)

A and D

4)

B and C

Answer 1

4) B and C

Explanation:

6(5x + 2 + x)

6(6x + 2)

36x + 12

Answer 2

b and c

Explanation:

6(5x+2+x)

6(6x+2)

36x+12

B- 6 times 6x is 36x and 6 times 2 is 12 so

36x+12

and

C is the exact answer as b and the original equation