holymoly7
holymoly7 holymoly7
  • 19-09-2020
  • Mathematics
contestada

Simplify: (7x4 – 7x3 + 7x2 + 2x) + (-5x4 + 7x3 + 5x2 – 9)​

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aleeshasaji
aleeshasaji aleeshasaji
  • 19-09-2020

Answer:

Step-by-step explanation:

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