Question

Which expression is equal to 12x

A. 4x + 4x - 4x
B. 24x/2
C. (3x)(4x)
D. 15x - 3​

Answer 1

B.

Explanation:

4x + 4x - 4x = 4x

24x ÷ 2 = 12x

3x • 4x =
`12x^2`

15x - 3 = 15x - 3

Answer 2

B. 24x/2

Explanation:

12x

A. 4x + 4x - 4x = 8x - 4x = 4x

B. 24x/2 = 24/2 x = 12x

C. (3x)(4x) = 12 x^2

D. 15x - 3​ = 15x -3 ( no like terms