Question 531318
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*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \left(\frac{3p\ -\ 3}{p}\right)\left(\frac{5p^2}{8p\ -\ 8}\right)]


Factor the numerators and the denominator of the right hand fraction:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \left(\frac{3(p\ -\ 1)}{p}\right)\left(\frac{5\,\cdot\,p\,\cdot\,p}{8(p\ -\ 1)}\right)]


Eliminate any factors common to both numerator and denominator, and then multiply whatever is left -- numerator times numerator and denominator times denominator.


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