atul200982
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(x+y)^2-10(x+y)+25
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Posted: 13 years ago
factor of above terms;
(x+y)^2-10(x+y)+25 = x^2+y^2+2xy-10x-10y+25 = (x+y-5)^2
formula used;(a+b-c)^2 = a^2+b^2+c^2+2ab-2bc-2ca
by:: atul kumar pandey:: atul200982@yahoo.com
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Posted: 13 years ago
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