emoryward
emoryward emoryward
  • 13-06-2016
  • Mathematics
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Find the product.

(7q - 5)(7q + 5)

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Аноним Аноним
  • 13-06-2016
(7q−5)(7q+5) =(7q+−5)(7q+5) =(7q)(7q)+(7q)(5)+(−5)(7q)+(−5)(5) =49q2+35q−35q−25 =49q2−25
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