Answer:x+21
Step-by-step explanation:
4d + 12 = 4(d + 3)
Basically, you just need to determine what 4d and 12 have in common. In this case, they both divide evenly by 4. Therefore 4 (d + 3) = 4d + 12 according to the distributive property.
The answer would be 1,2,3,4,6,8,12,16,24,48
hope this helps!
It’s c because if u simpilify it it’s 10 1/5