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The expression is 

To simplify the expression following order of operations to performed:

1.      Evaluate the expressions inside grouping symbols.

2.      Evaluate powers.

3.      Multiply and/or Divide in order from left to right.

4.      Add and/or Subtract in order from left to right.

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First operation is adding the values within the parentheses.

            (Add )

Next operation is evaluating the powers.

             (Evaluate power )

Next operation is division.

                      (Divide )

Next operation is subtraction.

                             (Additive inverse property )

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The value of the expression is .