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OpenStudy (happykiddo):
find all the zeros of the equation 5x^5-20x^4-40x^3-16x^2-45x+180
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OpenStudy (dan815):
hey!
OpenStudy (loser66):
hi dan!! do it
OpenStudy (dumbcow):
graph it http://www.wolframalpha.com/input/?i=5x%5E5-20x%5E4-40x%5E3-16x%5E2-45x%2B180+%3D+0
OpenStudy (dumbcow):
this has no rational zeros so it can't be done by hand or factored
OpenStudy (loser66):
@dumbcow please, don't let them depend on math tool. they don't have math tool on test
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OpenStudy (dan815):
|dw:1369963585724:dw|
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