FACTORISE

Asked by  | 25th Jul, 2009, 06:49: AM

Expert Answer:

x2-2xy+y2-a2-2ab-b2

 

(x2-2xy+y2)-(a2+2ab +b2)

(x -y)2 -(a -b)2

[(x -y) -(a -b)][(x -y) + (a -b)]

[(x -y) -a + b)][(x -y) + a -b]

 

Answered by  | 27th Jul, 2009, 08:12: PM

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