Respuesta :

reinhard10158

Step-by-step explanation:

f + g and f - g are very simple concepts.

(f+g)(x) = f(x) + g(x)

and

(f-g)(x) = f(x) - g(x)

and so. ..

(f-g)(x) = 2x³ + 7x² - 4x - 5 - 3x - -2 = 2x³ + 7x² - 7x - 3

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