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OpenStudy (anonymous):
Find all real solutions 2y^4 + 7y^3 - 26y^2 +23y - 6 = 0
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OpenStudy (anonymous):
y = -6 y= 1/2 y=1
OpenStudy (anonymous):
how'd you get that?
OpenStudy (anonymous):
http://www.wolframalpha.com/input/?i=2y%5E4+%2B+7y%5E3+-+26y%5E2+%2B23y+-+6+%3D+0 LOL.
OpenStudy (anonymous):
haha thanks.
OpenStudy (asnaseer):
If you want to learn how this is done in general, see: http://www.1728.org/quartic2.htm
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