anonymous
  • anonymous
Factorize x^4-11x^2-1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
sory its x^4-11x^2+1
campbell_st
  • campbell_st
sorry I don't think it factorises.... may be a typo
anonymous
  • anonymous
It is a quadratic equation where x^2 = y. Use the quadratic formula to figure the roots.

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campbell_st
  • campbell_st
but then you have u^2 - 11u + 1 which won't factorise
anonymous
  • anonymous
don't rely only on "factorizing" by ease. Quadratic formula does generate factors you know.
Akshay_Budhkar
  • Akshay_Budhkar
it will factorize, \[b^2-4ac >0\]
campbell_st
  • campbell_st
lol..this is strange as the solution is \[(x + (11 +\sqrt{117})/2) (x + (11 - \sqrt{117})/2)\] lol...
campbell_st
  • campbell_st
glad its not my class
anonymous
  • anonymous
:) Not all factors are "clean as a whistle integers". In real life, they are even worse.

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