Question

a cube minus 1 by a cube minus 2a plus 2 by a .( Factorise )​

Answer 1

Answer:

Step-by-step explanation:

easy

a^3-1/a^3  -2 a+2/2

=2 a^3-2-2a^3-2a^4/2a^3

=2a^4/2a^3=a

Answer 2

The second one can be broken in the identity a square minus twice ab + b square. But it is not compulsory