solve!
it's urgent
pls!!!!!!
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Answer:
3^2(n + 6) x 3^2(2n - 7)/3^3(2n)
= 3^(2n +12) x 3^(4n - 14) / 3^6n
= 3^(2n -2) / 3^6n
= 3^ (2n - 2 - 6n)
= 3^(-4n -2)
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