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4x 2 4x 12
4x 2 4x 12 pictures 5
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4x 2 4x 12
4x 12 x 2 4x
4x 2 13x 12 4x 3
4x 8 12 4x 2
4x^3-12x^2-4x+12
3 4x 2 4x 12
2 4x 2 )u003d 4x 12 x 1
4x 2 4x 12 0
4x 2 4x 12
