Question

Which expression is equivalent to the equation below.

2x - 1/3 (12x - 30)

A. 2 ( x + 5)
B. -2 ( x + 5)
C. -2 ( x - 5)
D. 2 ( x - 5)

Answer 1

c) -2 (x - 5)

Explanation:

2x - 1/3 (12x - 30)

2x - 4x + 10

-2x + 10

-2x + 10 can be written as:

-2x + 10

-2 (x - 5)

Check your answer:

-2 (x - 5)

-2x + 10

Hope this helps!

Answer 2

C. -2 ( x - 5)

Explanation:

Use the distributive property to eliminate parentheses, then combine like terms. Factor the greatest common factor from the result.

`2x -(1)/(3)(12x -30)=2x-(12)/(3)x+(30)/(3)=2x-4x+10\\\\=-2x+10=\boxed{-2(x-5)}`