pottersheep
  • pottersheep
(2r-1)(r^4+r^2+1) = 0 help me find r please
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
um what math lvl is this?
pottersheep
  • pottersheep
im grade 11 lol but I forget the rules..I'm supposed to let r^2 = k tho, that I'm sure of
anonymous
  • anonymous
sorry dont know XD

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pottersheep
  • pottersheep
aw okay :( thanks anyways
anonymous
  • anonymous
well i gave up :P
anonymous
  • anonymous
i can try again lol
anonymous
  • anonymous
i forgot ha just multiply the terms out FOIL :P (I havent done it yet )
anonymous
  • anonymous
okis it comes out to (2r^5 + 2r^3 +2r) + (-r^4-r^2-1) 2r^5 + (-r^4) +2r^3 + (-r^2) + 2r + (-1) = 0 ... is my simplify correct :P
pottersheep
  • pottersheep
I got it nvm thanks thooooo :))
anonymous
  • anonymous
does it help though?
anonymous
  • anonymous
i mean
anonymous
  • anonymous
did i get it right lol XD

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