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If |(x^2-6x+5,2x-6,2),(2x^2-5x+9,4x-5,4...

If `|(x^2-6x+5,2x-6,2),(2x^2-5x+9,4x-5,4),(6x^2+4x+6,12x+4,12)|= A x^3+B x^2+C x+D ,` then `A+B+2C` is equal to

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