Question 344101
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Take the square root of both sides.  Don't forget to consider both the positive and negative roots.


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x\ -\ 4\ =\ \pm5]


Hence:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x\ -\ 4\ =\ 5]


or


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x\ -\ 4\ =\ -5]


Solve each of the two equations for *[tex \Large x].



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