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Mathematics 20 Online
OpenStudy (anonymous):

factor x^2+25 completely

Directrix (directrix):

Over what set of numbers are you factoring? The Reals or the Complex Numbers?

OpenStudy (anonymous):

real

Directrix (directrix):

The sum of two squares does not factor over the set of real numbers. Over the complex numbers, it does. (x + 5i)*(x - 5i)

OpenStudy (anonymous):

no wonder i was getting stuck

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