Answer:

Step-by-step explanation:
First, subtract 3 from x
This will get you the expression x - 3
Now, divide this by 6.
This will get you the expression 
So, the final expression from the steps is 
The answer is c. we add 4x^4+x^4. then cancel the -x^2+x^2 and also the -x and x . so, we are left with the -1. that's why the answer is c
Can you take a better picture. That would help to answer the question.
I'm not sure of the answer, but I think it might be 3/4>5/8 because 3/4 is a greater amount than 5/8