Question 617626
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In the future use the underscore character to indicate subscripts and the caret to indicate superscripts so that it isn't so difficult to figure out what you are trying to communicate.  E.g.  log_6(x^2 - 5x) = 1 clearly communicates:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \log_6(x^2\ -\ 5x)\ =\ 1]


Use the definition of logarithms:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \log_b(x)\ =\ y\ \Leftrightarrow\ b^y\ =\ x]


So


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 6^1\ =\ x^2\ -\ 5x]


which is to say:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x^2\ -\ 5x\ -\ 6\ =\ 0]


Solve the quadratic for the two roots.  Check both solutions in the original equation to make sure you aren't including an extraneous root.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
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