Q24 of 274 Page 69

Factorize:

30x2 + 7x – 15

We have,



Now by using middle-term splitting, we get


= 30x2 - 18x + 25x - 15


= 6x (5x - 3) + 5 (5x - 3)


= (5x - 3) (6x + 5)


Hence,


The given expression can be factorized as:



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