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Mathematics, 03.07.2020 03:01 airrish

-3x^2-2xy+y2
-4x^2-xy+6y^2
x^2+6xy-y^2

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Answers: 1

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-3x^2-2xy+y2
-4x^2-xy+6y^2
x^2+6xy-y^2...
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