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Solve for x (complex solution)
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27^{x}=531441
Use the rules of exponents and logarithms to solve the equation.
\log(27^{x})=\log(531441)
Take the logarithm of both sides of the equation.
x\log(27)=\log(531441)
The logarithm of a number raised to a power is the power times the logarithm of the number.
x=\frac{\log(531441)}{\log(27)}
Divide both sides by \log(27).
x=\log_{27}\left(531441\right)
By the change-of-base formula \frac{\log(a)}{\log(b)}=\log_{b}\left(a\right).