minahjolie
minahjolie minahjolie
  • 16-02-2021
  • Mathematics
contestada

a^2 + b^2 + 2bc - 2ca - 2ab

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Zachbomb
Zachbomb Zachbomb
  • 16-02-2021
I got a^2 + b^2+2bc-2ac-2ab
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