m^2-4m+4
〖4p〗^2-40pq+100q^2
〖8a〗^3-343
p^2-16
1-〖1000k〗^3
y^3-1
m^4-n^4
〖125n〗^3+8
〖64y〗^3+1
x^2-y^2
x^2-2xy+y^2
〖8a〗^3+125
