\"\"

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The expression is \"\"

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\"\"                  (Substitute \"\")

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To simplify the expression follow the order of operations: (PEMDAS)

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1.     Evaluate the expressions inside Brackets/Parenthesis (P)

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     2.     Evaluate Powers/Exponents (E).

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

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

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A simple technique for remembering the order pf operations is turned into phrase

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“Please Excuse My Dear Aunty Sally”\"\"

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First operation is Evaluate powers.

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\"\"                        (Evaluate power: \"\")

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Next operation is Multiplication.

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\"\"                        (Multiply: \"\")

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Next operation is Multiplication.

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\"\"                        (Multiply: \"\")

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Next operation is subtraction.

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\"\"                              (Subtract: \"\")\"\"

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Next operation is subtraction.

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\"\"                                      (Additive inverse property: \"\")

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Next operation is Division.

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\"\"                                           (Divide:\"\" )

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Next operation is Division.

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\"\"                                     (Divide:\"\" ) 

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Next operation is addition.

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\"\"                                                  (Additive identity property: \"\")\"\"

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The value of the expression is 0.5.