5m Zen
X 2 7x 12 x 2 4x
X 2 7x 12 x 2 4x pictures 5
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X 2 7x
X 2 7x 12 x 2 4x
simplify fully u003d x^2 - 7x + 12 / 4x - x^2
x 2 7x 12 x 2 4x
