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12 November, 11:48

If f (x) = x^3-2x^2+12x-6 and g (x) = 4x^2+6x+4, find (f-g) (x)

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  1. 12 November, 11:54
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    (f-g) (x) = x^3 - 6x^2 + 6x - 10

    Step-by-step explanation:

    (f-g) (x) = f (x) - g (x) = (x^3-2x^2+12x-6) - (4x^2+6x+4)

    = x^3 + x^2· (-2-4) + x· (12 - 6) + (-6-4)

    = x^3 - 6x^2 + 6x - 10
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