Seudónimo Seudónimo
  • 04-04-2017
  • Mathematics
contestada

Someone help me please?

Someone help me please class=

Respuesta :

choco4
choco4 choco4
  • 04-04-2017
Is a (r + 3) (r - 3)
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ot167384 ot167384
  • 04-04-2017
(r-3)^2 I think this is correct because r^2 means r*r and you are subtracting 9 so I just multiplyed 3*3.
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