Factorize:
We have,
Now by using middle-term splitting, we get
= 7*x*x + √2 × √7x + √2 × √7 x + 2
= √7x (√7x + √2) + √2 (√7x + √2)
= (√7x + √2)(√7x + √2)
= (√7x + √2)2
Hence,
The given expression can be factorized as: