I am not to sure but I would go for B. identity.

Answer is

When it's powered numbers, remember to choose the one with the largest power. For example,

And

Choose 10, same goes to y, where you choose 7 not 4 since 7 is larger.
Hope this helps. - M
Answer:
2058
Step-by-step explanation:
Answer:
The answer is -x+12/ x (x-2)
Step-by-step explanation: