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algebra

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Help me factor x^2 -2x - 4 = 0 and 3x^2 + x + 3 = 0.

  • algebra -

    No factor

  • algebra -

    you can tell there are no rational roots because the discriminant is negative. No real roots, no factoring.

    You can factor over the irrationals or complex, though, getting

    (x-1-√5)(x-1+√5)
    and
    1/12 (6x+1-i√35)(x+1+i√35)

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