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algebra II

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The length of a rectangle is three more than twice its width. The area is 65 m2. What is its width?

  • algebra II - ,

    Width = X meters.
    Length = (2X+3) meters.

    X(2X+3) = 65m^2.
    2X^2 + 3X = 5,
    2X^2 + 3X - 65 = 0,
    Solve for X using the Quad. Formula:
    X = 5, and -6.5.
    Select + value of X:
    X = 5m = Width.

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