Answer:
the answer is A
Step-by-step explanation:
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A
[tex]2n^2 + 11n + 9 = 0\\2n^2 + 9n + 2n + 9 = 0\\n(2n + 9) + 1(2n + 9) = 0\\(2n + 9)(n + 1) = 0\\when, 2n + 9 = 0\\2n = -9\\n = \frac{-9}{2}\\\\when, n + 1 = 0\\n = -1\\\\\thus n = -1, \frac{-9}{2}[/tex]
