Question

Factorise : + (2a - b)^2 +4 (2a-b) +4​

Answer 1

Answer:

Let the value of (2a - b) be x.

So

x² + 2 x  - 8

   = x² + 4 x  - 2 x  - 8

  = x ( x+4) - 2 ( x + 4)

 = ( x - 2) ( x +4 )

So,

  = ( 2a - b - 2 ) ( 2a - b + 4).

Step-by-step explanation:

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