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\left. \begin{array} { l } { 3 x ^ { 2 } y - 2 x y + 2 x y ^ { 2 } + 5 x - 7 y - 10 \text { fi } } \\ { 15 - 2 x + 5 y - 11 x y + 2 x y ^ { 2 } + 8 x ^ { 2 } y } \end{array} \right. |
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Answer» 15-2x+5y-11xy+2xy^2+8x^2y-(3x^2y-2xy+2xy^2+5x-7y-10)=15-2x+5y-11xy+2xy^2+8x^2y-3x^2y+2xy-2xy^2-5x+7y+10=25-7x+12y+5x^2y |
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