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OpenStudy (anonymous):
help with complex #s
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OpenStudy (anonymous):
find all z in C that satisfy z^2+2z+1=0
OpenStudy (anonymous):
it isnt just simple factoring is it?
OpenStudy (anonymous):
o ok ill try that
OpenStudy (anonymous):
got -1
OpenStudy (mertsj):
It will factor. (x+1)^2
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OpenStudy (mertsj):
-1 is correct
OpenStudy (anonymous):
right so you can just do simple factoring?
OpenStudy (mertsj):
If it factors. Not all quadratics will factor but if they do, that is the simplest way.
OpenStudy (anonymous):
but this is complex numbers
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