Factorize:

14x2 + 9x + 1


We have,



Now by using middle-term splitting, we get


= 14x2 + 7x + 2x + 1


= 7x (2x + 1) + 1 (2x + 1)


= (7x + 1) (2x + 1)


Hence,


The given expression can be factorized as:



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