urgent`

Asked by pritam | 29th Nov, 2009, 06:16: PM

Expert Answer:

x2 - 1 - 2a - a2 = x2 - (1 + 2a + a2)

= x2 - (1 + a)2

= (x - (1+a))(x + (1+a))

 

Regards,

Team,

TopperLearning.

Answered by  | 29th Nov, 2009, 06:26: PM

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