Factorize:

9x2 + 18x + 8

We have,



Now by using middle-term splitting, we get


= 9x2 + 12x + 6x + 8


= 3x (3x + 4) + 2 (3x + 4)


= (3x + 4) (3x + 2)


Hence,


The given expression can be factorized as:



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