JhanieC JhanieC
  • 11-12-2020
  • Mathematics
contestada


(x2 +9) - (-7x2 – 3x + 9)

Respuesta :

billybob2667
billybob2667 billybob2667
  • 11-12-2020

Answer:

8x²+3x

Step-by-step explanation:

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