Factorise :
x2−x(a+2b)+2ab
x2−x(a+2b)+2ab=x2−xa−2bx+2ab=x(x−a)−2b(x−a)=(x−a)(x−2b) Ans.
Factorise a+2b+a3+8b3
Factorise : x2−(b−2)x−2b