We know that, a 3 - b 3 = (a - b) (a 2 + a × b + b 2 ) Using this formula, we get = (2x) 3 – ( ) 3 = (2x - ) [(2x) 2 + 2x × + ( ) 2 ] =

Factorize:

We know that,

a³ - b³ = (a - b) (a²+ a × b + b²)

Using this formula, we get

= (2x)³ – ()³

= (2x - ) [(2x)² + 2x × + ()²]