\"\"

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The expression is \"\".

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Substitute the values \"\" in above expression.

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\"\"

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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 of operations is turned

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into phrase.

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

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First operation is evaluate the expression Parenthesis

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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 subtraction.

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

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The simplified expression value is 1.75.