$\"\"$

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Original function is $\"\"$ .

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Replace $\"\"$ in original function.

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$\"\"$

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

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

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

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Replace $\"\"$ in original function.

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$\"\"$

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Evaluate power: $\"\"$ .

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$\"\"$

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

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

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$\"\"$ and $\"\"$ .