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March 28, 2017

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9t^2-3t=0. Solve using quadratic formula

  • Math - ,

    if the constant is missing, there is no need to use the formula, since the equation will always factor
    9t^2 - 3t = 0
    3t(3t-1) = 0
    t = 0 or t = 1/3

    if you insist ....
    a = 9, b = -3, c = 0
    x = (3 ± √(9-0)/18
    = (3±3)/18
    = 1/3 or 0

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