Respuesta :

Answer:

3x^2 -x-6

Step-by-step explanation:

If f(x) = 3x^2 - 4 and g(x) = x +2

(f-g)(x)​

I like to line them up vertically

3x^2       - 4

       -( x +2)

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Distribute the minus sign

3x^2       - 4

          - x -2

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3x^2 -x-6