Respuesta :

MrGumby
-4x^2 - 6

When you add them together it gives a sum of -2x^2 - 6. Multiplying that by 2 gives you the above answer. 

Answer:

-4x^2 - 6

Step-by-step explanation:

When you add them together it gives a sum of -2x^2 - 6. Multiplying that by 2 gives you the above answer.

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