Factorise :
(3x−2y)2+3(3x−2y)−10
(3x−2y)2+3(3x−2y)−10=(3x−2y)2+5(3x−2y)−2(3x−2y)−10=(3x−2y)(3x−2y+5)−2(3x−2y+5)=(3x−2y+5)(3x−2y−2)