\"\"

\

Original function is \"\".

\

Replace x = 3 in original function.

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\"\"

\

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

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

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\"\"                        (Add: \"\")

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

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Replace x = – 4 in original function.

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\"\"

\

\"\"       (Evaluate powers: \"\")

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\"\"             (Multiply: \"\")

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\"\"                           (Add: \"\") \"\"

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\"\" and \"\".