aurora2 aurora2
  • 01-11-2017
  • Mathematics
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Can someone please help me I have to factor p^2-9p-3pr+27r

Can someone please help me I have to factor p29p3pr27r class=

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choixongdong
choixongdong choixongdong
  • 01-11-2017
 p^2-9p-3pr+27r
= p(p - 9) - 3r(p - 9)
= (p - 9)(p - 3r)
answer
 (p - 9)(p - 3r)
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