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3. Factorize the expresion by grouping it

a^{2} + 18 a + 65

\(=\) __________

$(a + 5) (a + 13)$
$(a + 5) (a - 13)$
$(a^{2} - 5) (a - 13)$
$(a^{2} + 5) (a^{2} - 13)$

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