5m Zen
4x x 4x 1
4x x 4x 1 pictures 5
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4x x
4x x 4x 1
f x )u003d 4x 4x 1
4x 5 x 4x 1
1 4x 3 3 4x 1 x 8
4x 2 x y 4x 1 y
3x 2 4x 1 4x x 2 5
4x 3 x 2 4x 1 0
4x 5 )( x 2 4x 1
4x 1 4x 7 find x
4x 3 x 2 4x 1
4x x 4x 1
