5m Zen
2x x2 1 x2 4
2x x2 1 x2 4 pictures 5
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2x x2
2x x2 1 x2 4
4 x2 2x 1 4 x2 2x 20
x2 4x 4 2x 1 x2 graph
x 4 x2 4 1 x2 2x
x2 5x 4 )( x2 2x 1
x2 4x 4 2x 1 x2
2x x2 1 x2 4
