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3 November, 15:25

The length, width, and height of a rectangular prism can be represented by the expressions (x+3), (x+7) and (x-1). What is the volume of the prism?

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  1. 3 November, 17:08
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    Ans:

    x^3 + 9x^2 + 11x - 21

    Step-by-step explanation:

    length * width * height = volume

    (x+3) (x+7) (x-1)

    (x+3) (x+7) (x) + (x+3) (x+7) (-1)

    x^3 + 10x^2 + 21x - x^2 - 10x - 21

    x^3 + 9x^2 + 11x - 21
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