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8 November, 18:46

A rectangular room has an area of 425 square feet. one dimension is 8 feet more than the other. find both dimensions of the room.

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  1. 8 November, 19:09
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    Area is calculated using length time width.

    If we let the shorter dimension equal x, we can write the equation as x (x+8) = 425

    Expand and rearrange to get a quadratic, then solve

    x^2+8x-425=0

    (x+25) (x-17) = 0

    x=-25 or x=17
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