Question

Evaluate ( x + 3)² using appropriate identity. ​

Answer 1

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Answer 2

To find the product of (x+3)(x+3)

Now using (a+b)(a+b)=a ²+b ² +2ab

we have , let 4a=x and let b=3

Thus, (x+3)(x+3)=x ² +9+6x

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