Question

Which expressions are equivalent to 6 + 12x?

A.
5(1 + 2x) + 1 + 2x

B.
7(1 + 2x) + 2x - 1

C.
3(2 + 6x) + 2x

D.
7(1 + 2x) - 2x - 1

E.
3(2 + 4x)

Answer 1

A. 5(1 + 2x) + 1 + 2x

D. 7(1 + 2x) - 2x - 1

E. 3(2 + 4x)