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31 May, 02:40

If f (x) = -x2 + 6x - 1 and g (x) = 3x2-4x-1 find f-g (x)

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  1. 31 May, 04:10
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    - 4x² + 10x

    Step-by-step explanation:

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

    = - x² + 6x - 1 - (3x² - 4x - 1) ← distribute

    = - x² + 6x - 1 - 3x² + 4x + 1 (collect like terms)

    = - 4x² + 10x
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