Factorize:

2x2+3x+531.9(2a-b)2-4(2a-b)-13

Given,


2x2+3√5x+5 = 2x2 + 2√5x+ √5x+5


= 2x (x + √5) +√5 (x+√5)


= (2x+√5) (x+√5)


30