Respuesta :

Answer:

3x^2 - 8x - 1

Step-by-step explanation:

(2x^2-4x+3) + (x^2-4x-4)​

First you take off the brackets:

2x^2-4x+3 + x^2-4x-4

Then combine the like terms:

2x^2 + x^2 = 3x^2

-4x - 4x = -8x

3 - 4 = -1

And finally write in Standard form (largest to smallest value):

3x^2 - 8x - 1

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