2 would be the answer. Replace the x with the three and multiply that with the 2 and then subtract 4.
Answer:

Step-by-step explanation:
- Simplify




- Find the additive inverse of
by using its property - <em>"Sum of a number & its additive inverse is always zero". </em>Assume that 'x' is an additive inverse of
.


- Simplify




- Now, find the product of
& 


????I don’t get what u need help with