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Mathematics 22 Online
OpenStudy (anonymous):

Factor completely 5r^4-3125

hero (hero):

Factor out what's common to both first: 5(r^4-625) 5(r^2-25)(r^2+25) 5(r+5)(r-5)(r^2+25)

OpenStudy (anonymous):

this a hard one

hero (hero):

I don't really consider three steps hard

hero (hero):

This is just common factoring and difference of squares. It's easier than what we did because not that many steps are involved

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