Question 237837
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*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x^2\ +\ 6x\ +\ 9\ =\ (x\ +\ 3)^2] and


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ y^2\ =\ y^2]



John
*[tex \LARGE e^{i\pi} + 1 = 0]
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