\"\"

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Original function is \"\".

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Replace x = 3 in original function.

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\"\"

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

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\"\"                (Multiply: \"\")

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

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\"\"                              (Add: 12 + 2 = 14)\"\"

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Replace x = – 4 in original function.

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\"\"

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\"\" (Evaluate powers: \"\")

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\"\"       (Multiply: \"\")

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\"\"             (Add: 20 + 2 = 22)

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

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\"\" and \"\".