Factorize:

6x2 – 5x – 21


We have,



Now by using middle-term splitting, we get


= 6x2 + 9x - 14x - 21


= 3x (2x + 3) - 7 (2x + 5)


= (3x - 7) (2x + 3)


Hence,


The given expression can be factorized as:



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