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2 December, 13:05

Find of the value of x. (5x-22) (4x+4)

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  1. 2 December, 13:29
    0
    20x^2 - 68x-88

    Step-by-step explanation:

    (5x-22) (4x+4)

    FOIL

    first 5x*4x = 20x^2

    outer 5x*4 = 20x

    inner - 22*4x = - 88x

    last - 22*4 = - 88

    Add these together

    20x^2 + 20x-88x-88 =

    20x^2 - 68x-88
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