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4 5x 4x 9
4 5x 4x 9 pictures 5
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4 5x 4x 9
5x 5 x 4x 4 9
4x^4+5x^2-9 factored
4 5x 1 4x 14 9 10x
4x 2x 4 u003d- 9 5x 8
4 5x 2 )u003d 9 4x 8
5x-9-4-4x-y
4x 4 5x 2 9 0
solve 5x+4u003d4x+9
4x 4 5x 2 9
4 5x 4x 9
