Answer: Check explanation.
Step-by-step explanation: I think its 0. Not sure. Hope this helped!
Answer:
I think its better than other types of math.
Step-by-step explanation:
Answer: I think it would be 4a(a−2b squared)
For this case we have, by definition:

So, we have:

On the other hand we have that by definition:

Thus, the expression can be written as:




So, we have:

Answer:

It’s either b or d. Hope this helps! :)