Factorise :4x(3x - 2y) - 2y(3x - 2y)
4x(3x - 2y) - 2y(3x - 2y) = (3x - 2y) (4x - 2y)
= (3x - 2y) 2(2x - y)
= 2(3x - 2y) (2x - y)