Factorize:

10x2 – 9x – 7

We have,



Now by using middle-term splitting, we get


= 10x2 + 5x - 14x - 7


= 5x (2x + 1) - 7 (2x + 1)


= (2x + 1) (5x - 7)


Hence,


The given expression can be factorized as:



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