3^3(n+6) * 3^3(n-7) by 9^2n
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Answered by
1
Answer:
1^4n-3
Step-by-step explanation:
3^(3n+18+3n-21) / 9^2n
=3^(6n-3)/3*3^2n
=3^(6n-3-2n)/3
=3^4n-3/3
=1^4n-3
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