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Algebra

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The length of a rectangular banner is 3 feet longer than its width. If the area is 70 square feet, find the dimensions.

  • Algebra -

    w(w+3) = 70
    w^2 + 3w - 70 = 0
    (w+10)(w-7) = 0

    I guess that should help

  • Algebra -

    17

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