Correct Answer: Option B

Explanation

\((1 + \frac{x - 1}{\frac{1}{x + 1}})(x + 2)\)

\((x - 1) \div \frac{1}{x + 1} = (x - 1)(x + 1) = x^{2} - 1\)

\((1 + x^{2} - 1)(x + 2) = x^{2}(x + 2)\)

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