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## Main Question or Discussion Point

Can someone point me in the right direction of solving the following problem:

Prove that for any postive integer n, the value of the expression [tex]3^{2n+2} - 8n -9[/tex] is divisible by 64.

Prove that for any postive integer n, the value of the expression [tex]3^{2n+2} - 8n -9[/tex] is divisible by 64.

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