Factorize the following expression : \( 125 + 8x^3 – 27y^3 + 90xy \)

\[ 125 + 8x^3 – 27y^3 + 90xy \] \[ = 5^3 + (2x)^3 + (-3y)^3 – 3(5)(2x)(-3y) \] \[ = (5 + 2x – 3y) \left[ 25 + 4x^2 + 9y^2 – 10x + 15y + 6xy \right] \]