Alexis1661 Alexis1661
  • 22-08-2018
  • Mathematics
contestada

Add: (-6+3x^9y-4xy)+(-8x^9y+7xy+4).

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Аноним Аноним
  • 22-08-2018

remove the parentheses and bring like terms together:-

= 3x^9y - 8x^9y - 4xy + 7xy - 6 + 4

= -5x^9y - 3xy - 2 answer

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