Answer:
C.

Explanation:
1) First you cancel
because they are completely the same. then you take out the constants and simply.
2)You then have to use the Quotient Rule:

You should have ...

3) Simplify 6 − 3 to 3.

4) Simplify 5 − 4 to 1.
5) Use Rule of One:

Answer is !!!
