Respuesta :

sherewen1234

Answer:

-5x+17x^2

Step-by-step explanation:

Hope that helps good luck

sqdancefan

9514 1404 393

Answer:

  17x^2 -5x

Step-by-step explanation:

"Simplify" in this context means "combine like terms." It can help to group the terms with the same variables.

  -9x+9x^2+8x^2+4x

  = 9x^2 +8x^2 -9x +4x

  = x^2(9+8) +x(-9+4)

  = 17x^2 -5x

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