5m Zen
X square + x
X square + x pictures 5
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X square
X square + x
x square + x - 2 u003d 0
x square + x + 1 u003d 0
x square + x - 132
x square + x cube is equal to
x square + x - 306
x square + x cube
x square + x - 6
x square + x + 1
x square + x square is equal to
x square + x square
