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the width of a rectangular garden is 2 m less than its length. Determine the dimensions of the garden if the area is 36 m2.

thanks!

  • math -

    w(w+2) = 36
    w^2 + 2w = 36
    w^2+2w+1 = 36+1
    (w+1)^2 = 37
    w = -1±√37
    we want a positive width, so w = -1+√37 = 5.09

    check: 5.09*7.09 = 36.1

    close enough

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