Select all expressions that are equivalent to 16x-12-24x+4. Show or explain your reasoning.

1. 16x - 12 (1 + 2x) + 4

2. 40x - 16

3. 4 - 12 + (2x - 3x)

4. - 8 (x+1)

the correct one is 1. 16x - 12 (1 + 2x) + 4

Step-by-step explanation:

16x-12-24x+4 is equivalent to 8x-8

1. 16x - 12 (1 + 2x) + 4 is equivalent to 8x-8

2. 40x-16 is equivalent to 8 (5x-2)

3. 4 - 12 + (2x - 3x) is equivalent to - x-8

4. - 8 (x+1) is equivalent to - 8x-8