Question

Factorise
1-a³-b³-3ab

Answer 1

Of the form
a3+b3+c3+3abc
a=1,b= -a,c= -b
1-a3-b3-3ab=(1-a-b)(1+a2+b2-a+ab-b)

Answer 2

Answer:

Write the above answer

That's correct