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6 May, 23:06

If f (x) = 2x^2+5 (x-2)

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  1. 6 May, 23:15
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    2x^2-8x+13

    Step-by-step explanation:

    f (x) = 2x^2+5

    f (x-2) = 2 (x-2) ^2+5

    f (x-2) = 2 (x-2) (x-2) + 5

    f (x-2) = 2 (x^2-2x-2x+4) + 5

    f (x-2) = 2 (x^2-4x+4) + 5

    f (x-2) = 2x^2-8x+8+5

    f (x-2) = 2x^2-8x+13
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