ria19
ria19 ria19
  • 13-03-2017
  • Mathematics
contestada

what is (n4+18n3+36n2)÷9n2

what is n418n336n29n2 class=

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Аноним Аноним
  • 13-03-2017
1/9n^2+2n+4 is your answer 
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apologiabiology
apologiabiology apologiabiology
  • 13-03-2017
[tex] \frac{n^4+18n^3+36n^2}{9n^2} [/tex]
we can factor out a n² on top
[tex] \frac{n^2(n^2+18n+36)}{9n^2} [/tex]
cancel ones (the n² on top and bottom)
[tex] \frac{n^2+18n+36}{9} [/tex]
we can split the top up
remember
(a+b)/c=(a/c)+(b/c)
[tex] \frac{n^2+18n+36}{9} [/tex]=
[tex]\frac{n^2}{9}+\frac{18n}{9}+\frac{36}{9}[/tex]=
[tex]\frac{n^2}{9}+2n+4[/tex]
that is nicest form
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