Mathematics, 25.10.2021 14:00, baileysosmart

Prove that for any natural n the value of the expression (4n+5)^2–9 is divisible by 4. thank you !!!
please show work, not just the answer

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Prove that for any natural n the value of the expression (4n+5)^2–9 is divisible by 4. thank you !...