Question

Select all of the expressions that are equivalent to the expression 3x − 12 − 2(x + 12).

3x − 12 − 2x + 24
3(x − 4) − 2x − 24
3(x − 4) − 2(x + 12)
3(x + 4) − 2(x + 12)
x + 12
x − 36

Answer 1

x

2

−

4

x

−

12

Explanation:

Answer 2

Second option

Third option

Last option

Explanation:

You have the expression
`3x - 12 - 2(x + 12)`, you can find the following equivalent expressions:

Apply Distributive property:

`3x - 12 - 2x -24`

Group the first two terms and factor out 3:

`=3(x - 4) - 2x -24` (Second option)

Apply Distributive property and then add the like terms:

`=3x - 12 - 2x - 24`

`=x-36` (Last option)

Group the first two terms and factor out 3:

`=3(x - 4) - 2(x + 12)` (Third option)