Question

(×+3) (×+3) use a suitable identity ​

Answer 1

Answer:

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Answer 2

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( x + 3 ) ( x + 3 ) = ( x + 3 )²

By ( a + b )² = a² + 2ab + b² Identity,

( x + 3 )² = x² + 2(x)(3) + 3²

( x + 3 )² = x² + 6x + 9.