Respuesta :

Answer:

10x^2 -2x -12

Step-by-step explanation:

(-2x² - 4x +13) + (12x^2 + 2x - 25)

Combine like terms

(-2x²  + 12x^2 + 2x - 4x +13- 25)

10x^2 -2x -12

Answer:

10x²-2x-12

Step-by-step explanation:

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