Answer:
Explanation:
To simplify this expression, use the order of operations (PEMDAS):
P arentheses
E xponents
M ultiplication
D ivision
A ddition
S ubtraction
First, simplify what is in the parentheses.
Remember that any number squared (
) is positive, so:
Therefore,
We can now replace the parentheses in the original expression with 16.
Finally, simplify by multiplying and dividing.