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7x 2 5 x
7x 2 5 x pictures 5
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7x 2 5 x
x 2 7x 5 0
u2212 3x 5 )( x 2 7x 5
x u2212 5 )( x 2 7x 6
2x 3 7x 2 5 )/( x 3
solve 3 7x 2 5 x 1
3 7x 2 5 x 1
7x 2 5 x 7
7x 2 5 x 3
7x 2 5 x )u003d 15
7x 2 5 x
