TATERTOT17 TATERTOT17
  • 09-12-2016
  • Mathematics
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algebra 2 factoring. #9) b^4-81
#5) m^4-1
#10) 81^4-16

algebra 2 factoring 9 b4815 m4110 81416 class=

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Аноним Аноним
  • 09-12-2016
#9) b^4 - 81 = (b^2)^2 - 9^2 = (b^2+ 9)(b^2- 9)
#5) m^4-1 = (m^2)^2 - 1 = (m^2 + 1)(m^2- 1)
#10) 81x^4-16 = (9x^2)^2 -  4^2
= (9x^2 +4)(9x^2 - 4)
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