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Math help plz

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Solve 3x^2-49=0

  • Math help plz - ,

    3x^2 - 49 = 0.

    3x^2 = 49
    x^2 = 49/3
    Take sqrt of both sides:
    X = 7/sqrt3
    Multiply denominator and numerator by
    sqrt3:

    X = 7sqrt3/(sqrt3)(sqrt3)
    X = 7*sqrt3 / 3 = +- 4.04.

    Note: sqrt means Square root.

    X = 4.04.

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