Question 1174229
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*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 9x^2\ +\ 81\ =\ 9(x^2\ +\ 9)\ =\ 9(x\ +\ 3i)(x\ -\ 3i)]


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

From <https://www.algebra.com/cgi-bin/upload-illustration.mpl> 
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