Respuesta :

altavistard

Answer:

 13x^2- 6x - 9

Step-by-step explanation:

Please use the word "subtraction" or "less ... " or similar.

8x^2+x-10 less -5x^2+7x+1 is

  8X^2 + x - 10

-(-5x^2+7x+ 1)

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 13x^2- 6x - 9