5m Zen
X2 5x y2
X2 5x y2 pictures 5
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X2 5x
X2 5x y2
x2 2xy y2 5x 5y
x2 2xy y2 5x 5y 16
x2 y2 17 5x 3y 17
x2 2xy y2 5x 5y 6
x2 y2 5x 4y 46
x2 5x y2 0
x2 5x y2
x2 5x y2 5y
x2 5x y2 y 7 0
