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The equation 3x^2+x=7 has two solutions. What is the value of the positive solutions and the value of negative solutions?

1 Answer

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  • 6 years ago

    3x^2 + x - 7 = 0

    Quadratic formula

    -1 plus/minus sqrt(1 - 4(3)(-7)) all over 2(3)

    -1 plus/minus sqrt(1 + 84) all over 6

    -1 plus/minus sqrt(85) all over 6

    -1 + sqrt(85) all over 6 = 1.3699

    -1 - sqrt(85) all over 6 = -1.7033

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