Factorize:

5x2 + 33xy – 14y2

We have,



Now by using middle-term splitting, we get


= 5x2 + 35xy – 2xy – 14y2


= 5x (x + 7y) – 2y (x + 7y)


= (x + 7y) (5x – 2y)


Hence,


The given expression can be factorized as:



33