Factor
\frac{9\left(2^{n}-3\right)}{4}
Evaluate
\frac{9\left(2^{n}-3\right)}{4}
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\frac{3-2^{n}}{3}
Consider 1-\frac{1}{3}\times 2^{n}. Factor out \frac{1}{3}.
-\frac{9\left(3-2^{n}\right)}{4}
Rewrite the complete factored expression. Simplify.
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