pottersheep
(2r1)(r^4+r^2+1) = 0 help me find r please



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mth3v4
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um what math lvl is this?

pottersheep
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im grade 11 lol but I forget the rules..I'm supposed to let r^2 = k tho, that I'm sure of

mth3v4
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sorry dont know XD

pottersheep
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aw okay :( thanks anyways

mth3v4
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well i gave up :P

mth3v4
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i can try again lol

mth3v4
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i forgot ha just multiply the terms out FOIL :P (I havent done it yet )

mth3v4
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okis it comes out to
(2r^5 + 2r^3 +2r) + (r^4r^21)
2r^5 + (r^4) +2r^3 + (r^2) + 2r + (1) = 0
...
is my simplify correct :P

pottersheep
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I got it nvm thanks thooooo :))

mth3v4
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does it help though?

mth3v4
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i mean

mth3v4
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did i get it right lol
XD