Factorise : (2x-3y)^3-(8x^3-27y^3) 02:23 Factorise : (3x+5y)^3-(3x-5y)^3 05:26 Factorise : (a^2-5a-14)/(a^2-4)xx(2a^2-a-6)/(2a^2-13a+21) 11:46 Simplify : (2a^3+5a^2-7a)/(2a^2-7a+5)div(2a^3+a^2-21a)/(2a^2-11a+15 14:52 Simplify : (y^2-3y+...