Respuesta :

wegnerkolmp2741o

Answer:

-8x^2+3x-6

Step-by-step explanation:

(-4x^2+ 3x + 3) - (4x^2 +9)

Distribute the minus sign

(-4x^2+ 3x + 3) - 4x^2 -9

Combine like terms

-8x^2+3x-6

sydnievelgersdyk
I think the answer is 3x-6

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good job