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factorise x^3-4x62-11x+2

  • maths -

    check your typing, I suspect a typo.

  • maths -

    since ^ is shift-6, I suspect you meant:


    cubics are not generally easy to solve, so look for easy integral roots first: ±1, ±2

    A little synthetic division yields


    Using the quadratic formula, you get
    x = 3±2√2

    so, the factorisation is


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