algebra

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Essay, show all work. find the following product. (y-8)^2

  • algebra -

    (y-8)(y-8)
    using distributive property of multiplication:

    y(y-8) - 8(y-8)

    y^2 - 8y -8y + 64

    y^2 - 16 y + 64

  • algebra -

    (a-b)^2 = a^2 - 2ab + b^2

    (y-8)^2 = y^2 - 2*y*8 + 8^2

    (y-8)^2 = y^2 - 16y + 64

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