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Avatar of jeremychung
jeremychung
Jul 11, 2009
0
#1

Factorize X^2-1.

Hence factorize(a+3)^2-1.

Avatar of jeremychung
jeremychung
Jul 12, 2009
0
#2

x^2-1=(x-1)(x+1)

(a+3)^2-1=(a+3-1)(a+3+1)=(a+2)(a+4)

Avatar of Dekker
Dekker
Jul 20, 2009
0
#3

That´s my way, and i though have the same answer!

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