Answer:
3
Explanation:
So we have the expression:

Recall the order of operations or PEMDAS:
P: Parentheses
E: Exponents
M/D: Multiplication and Division (Whichever First)
A/S: Addition and Subtraction (Whichever First)
Thus, first do the operations inside the parentheses:

Now, do division and multiplication:

And the multiplication:

And finally, subtract:
