Question

factorise each of the following expression:(2a+b)^2+3(2a+b)+2​

Answer 1

Step-by-step explanation:

Let 2a+b=a 

Factorizing a2+5a+6,

Split 5a as:

 =a2+3a+2a+6=a(a+3)+2(a+3)=(a+3)(a+2)=(2a+b+3)(2a+b+2)