5m Zen
5x 2 7x 4 0
5x 2 7x 4 0 pictures 5
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5x 2 7x 4 0
5x 0 4 7x 9 )u003d 2 94
5x 4 7x 2 12 0
2x 3 7x 2 5x 4 0
solve 5x 2 7x 4 0
5x 2 7x 4 0
