Factorize:

We have,

Now by using middle-term splitting, we get

= 5√5 * x * x + 15x + 5x + 3√5

= 5x (√5x + 3) + √5 (√5x + 3)

= (√5x + 3)(5x + √5)

Hence,

The given expression can be factorized as: