Respuesta :

Answer:

the answer is -7x^2- 14x

Step-by-step explanation:

Answer:

9x^2 - 6x

Step-by-step explanation:

6x^3 - 6x^3 = 0

x^2 - (-8x^2) = x^2 + 8x^2 = 9x^2

-10x - (-4x) = -10x + 4x = -6x

Answer: 9x^2 - 6x

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