yktvliana1276 yktvliana1276
  • 26-11-2020
  • Mathematics
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Just the image below.

Just the image below class=

Respuesta :

jcherry99
jcherry99 jcherry99
  • 30-11-2020

Answer:

Step-by-step explanation:

P(x) + Q(x) = 4x^2 + 6x - 9 -7x^2 - 12x +8

x^2 terms: 4x^2 - 7x^2 = - 3x^2

x  terms  : +6x - 12x =      - 6x

linear term: - 9 + 8 = - 1

Answer: -3x^2 - 6x - 1  

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