What is an equivalent expression to 8x+20

2 (4x+10)

4 (2x+5)

1/2 (16x+40)

Step-by-step explanation:

There's so many possible answers for this question. I just named 3 possible answers above. The method I used to find the answers is called factoring where I pull out a common multiple from the equation.

I'll need more informations from the question if you want me to answer it more specifically.