Factorize the following expression : \(8a^3 – b^3 – 4ax + 2bx\)

\[ 8a^3 – b^3 – 4ax + 2bx \] \[ = (2a)^3 – b^3 – 2x(2a – b) \] \[ = (2a – b)(4a^2 + 2ab + b^2) – 2x(2a – b) \] \[ = (2a – b)(4a^2 + 2ab + b^2 – 2x) \]