The Total solution for NCERT class 6-12
8x3 + 27y3 + 16x2y +54xy2= (2x)3 + (3y)3 + 3 x (2x)2 x3y + 3 x 2x x (3y)2= (2x + 3y)3= (2x + 3y) (2x + 3y) (2x + 3y)