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6 6x 2 0
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6 6x 2 0
6x 2 12x 6 0
x 2 6x 6 0 have
x 2 6x 6 0 quadratic formula
6x 2 13x 6 0 quadratic formula
6x 2 5x 6 0 quadratic formula
6 6x 2 3x 0
6x 2 13x 6 0
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x 2 6x 6 0
6 6x 2 0