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X^2+2xu003da(x+3)^2+b(x+3)+c
X^2+2xu003da(x+3)^2+b(x+3)+c pictures 5
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X^2+2xu003da(x+3)^2+b(x+3)+c
X^2+2xu003da(x+3)^2+b(x+3)+c