michellewilliam michellewilliam
  • 15-06-2014
  • Mathematics
contestada

factor the trinomial or state that it is prime 4y²+54y-90

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konrad509
konrad509 konrad509
  • 15-06-2014
[tex] 4y^2+54y-90=\\ 2(2y^2+27y-45)=\\ 2(2y^2+30y-3y-45)=\\ 2(2y(y+15)-3(y+15))=\\ 2(2y-3)(y+15)[/tex]
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j4yz0n j4yz0n
  • 15-06-2014
   4y²+54y-90
= 2(2y²+27y-45)
= 2(2y-3)(y+15)  <- this is the final answer. :)
Answer Link

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