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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 m^2. What is its width?

  • algebra II -

    w (2w+3) = 65
    2 w^2 + 3 w -65 = 0

    w = 20/4 or -26/4
    so
    w = 5
    check
    5 (10+3) = 65 yes

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