SOLUTION: Solve the exponential equation. 3^(x^2+5x) = 1/81

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Question 373563: Solve the exponential equation.

3^(x^2+5x) = 1/81

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Note that

So, now I can write


Solve by completing square





and also


check the answers:



OK
and also



OK

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