itsfortnite6
itsfortnite6 itsfortnite6
  • 12-10-2020
  • Mathematics
contestada

(a+7)2
please expand it

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Zlrmathes
Zlrmathes Zlrmathes
  • 12-10-2020
i think it actually means (a+7)(a+7) so it would be: a^2 + 14a + 49
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