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pre calculus

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x^2-3x-7=0

  • pre calculus - ,

    X^2 - 3X - 7 = 0
    This Eq cannot be factored.
    Use the Quadratic Formula:
    X = (-B +- sqrt(B^2-4AC))/2A
    X = (3 +- Sqrt(9+28))/2
    X = (3 +- 6.08)/2 = 4.54, and -1.54.

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