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1 2x 4 x 7
1 2x 4 x 7 pictures 5
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1 2x 4 x 7
2x 7 4 1 x 6 17
7 x 4 49 2x 1
4 2x 1 2 6 4 x 7
4 3x 1 )+ 7 x 2x 3 9x
7 2x 2 x 1 1 4
x x 7 )u003d( 2x 1 )( x 4 by factorization
5 2x 4 )u003d 7 x 1 )- 3
2x 5x 4 7 x 1 )- 5
7 2x 1 )- 3 x 4
1 2x 4 x 7
