Question

factories: 2(xy+ab)-x2-y2+a2+b2​

Answer 1

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Step-by-step explanation:

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Answer 2

Answer:

ab(x2+y2)−xy(a2+b2)

⇒  abx2+aby2−a2xy−b2xy

⇒  abx2+b2xy+aby2−a2xy

⇒  bx(ax−by)−ay(ax−by)

⇒  (ax−by)(bx−ay)

Step-by-step explanation:

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