Factorise x² + 2x + 1 - y²
After trying this for ages, I looked at the answer and its
(x + 1 - y)(x + 1 + y)
but I still can't get to that point by myself, can anyone help please
Thanks
Factorise x² + 2x + 1 - y²
After trying this for ages, I looked at the answer and its
(x + 1 - y)(x + 1 + y)
but I still can't get to that point by myself, can anyone help please
Thanks