Answer:
The correct option is C) Add -60 and 36.
Explanation:
Consider the provided equation.

Step 1: Use the distributive property:


Step 2: Now simplify as shown:

Step 3: Add -60 and 36.


Now consider the provided option and compare the above steps with the provided option.
By the comparison it can be concluded that option C) Add -60 and 36 is the correct option.
Note: Add 6x to 54x is wrong because it should be add -6x to 54x.
Hence, the correct option is C) Add -60 and 36.