Simplify: \( \frac{\left(x^{2}+11 x+28\right)}{\left(x^{2}+13 x+40\right)} \div \frac{\left(x^{2...
Simplify: \( \frac{\left(x^{2}+11 x+28\right)}{\left(x^{2}+13 x+40\right)} \div \frac{\left(x^{2}+6 x+8\right)}{\left(x^{2}+11 x+24\right)} \).
(a) \( \frac{(x+2)(x+7)}{(x+3)(x+3)} \)
(b) \( \frac{x+4}{x+8} \)
(c) \( \frac{x+8}{x+4} \)
(d) \( \frac{(x+3)(x+7)}{(x+2)(x+5)} \)
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