Q. 2 A3.7( 6 Votes )

Using a suitable identity, find each of the following products:

(x + 3) (x + 3)

Answer :

Given (x + 3) (x + 3) = (x + 3)2


We know that


(a+ b)2 = a2 + b2 + 2a×b


(x + 3) (x + 3) = (x2 + 32 + 2x×3)


(x + 3) (x + 3) = x2 + 9 + 6x


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