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Ab(x² + y²) - xy(a² + b²) |
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Answer» =abx^2+aby^2-xya^2-xyb^2. =abx^2 -xya^2+aby^2 -xyb^2. =AX(bx-ay)+by (ay-bx). =ax(bx-ay) -by(bx-ay). =(ax-by) (bx-ay) |
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