Question

216m3 + 64n3 - P3 + 72mnp
(Identity : a3 + b3 + c3 - 3abc = (a+ b+c) ( a2 + b2 + c2 - ab - bc - ca ).
please solve it friends

Answer 1

6m3 +4n3 +(- p)3 -3*6m*4n*(-p)=(6m+4n-p) 6m2+4n2+(-p2)-6m*4n-4n*(-p)-(-p)*6m