The expression is 
Substitute the values
above equation

To simplify the expression follow the order of operations: (PEMDAS)
\1. Evaluate the expressions inside Brackets/Parenthesis (P).
\2. Evaluate Powers/Exponents (E).
\3. Multiply and/or Divide in order from left to right (MD).
\4. Add and/or Subtract in order from left to right (AS).
\A simple technique for remembering the order of operations is turned
\into phrase.
\“Please Excuse My Dear Aunty Sally”
First operation is evaluate the expressions parenthesis
\
(Multiply:
)
(Subtract:
)
(Add:
)
Next operation is Exponents
\
(Evaluate power:
)
Next operation is Subtraction
\
(Subtract:
)
The value of the expression is
.