Algebra

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Solving quadriatic equaitons using factoring.

X^2-6=30-3x^2

The answer in the book is -3,3.

I have tried to work the problem several times. I am not getting this answer.

  • Algebra -

    X^2-6=30-3x^2
    4x^2 = 36
    x^2 = 9
    x = ±3

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