Reduce the following rational expressions to (W) their lowest terms. (i) \( \frac{16 x^{2}-\left...

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Reduce the following rational expressions to
(W) their lowest terms.
(i) \( \frac{16 x^{2}-\left(x^{2}-9\right)^{2}}{4 x+9-x^{2}} \)
(ii) \( \frac{8 x^{5}-8 x}{\left(3 x^{2}+3\right)(4 x+4)} \)
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