Which expression is equivalent to 12 (3+m) ?

12m + 36 or 6 (2m + 6)

Step-by-step explanation:

12 (3 + m)

Apply distributive property ...

(12 · 3) + (12 · m)

36 + 12m

Get it in order ...

12m + 36

Another possibility ...

Take 6 out of both numbers:

(12m : 6) + (36 : 6)

6 (2m + 6)

When you multiply 6 by 2m and 6 by 6, you'll get 12m + 36