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9 October, 00:10

Let f (x) = x*2+2x-1 and g (x) = 2x-4 find 2f (x) - 3g (x)

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  1. 9 October, 02:11
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    F (x) = x²+2x-1 and g (x) = 2x-4 2f (x) - 3g (x) = ?

    2f (x) = 2 * (x²+2x-1) = 2x²+4x-2

    3g (x) = 3 (2x-4) = 6x-12

    2f (x) - 3g (x) = (2x²+4x-2) - (6x-12) = 2x²+4x-2 - 6x+12 = 2x²-2x + 10

    2f (x) - 3g (x) = 2x²-2x + 10
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