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X^2+3xy+2y^2 6x 11y+5
X^2+3xy+2y^2 6x 11y+5 pictures 5
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X^2+3xy+2y^2 6x 11y+5
X^2+3xy+2y^2 6x 11y+5
x^2+3xy+2y^2-6x-11y+5
