Question

Select the expressions that are equivalent to 12x - 6.

A. -6(2x-1)
B. 6(2x-1)
C. 6x(2-1)
D. -6x(2x-1)
E. -6(-2x+1)
F. 6x(-2x+1)

Answer 1

The answers are B and E

Answer 2

B and E

Explanation:

A.

-6(2x - 1)
Distribute the -6.

-12x + 6

B.

6(2x - 1)
Distribute the 6.

12x - 6

C.

6x(2 - 1)

Subtract inside parenthesis.

6x(1)
Multiply.

6x

D.

-6x(2x - 1)
Distribute the -6x.

-12x² + 6x

E.

-6(-2x + 1)
Distribute the -6.

12x - 6

F.

6x(-2x + 1)

Distribute the 6x.

-12x² + 6x