No, that's still the original problem.
This question is classic difference of two squares: . To make it more apparent you can write it as
http://en.wikipedia.org/wiki/Difference_of_two_squares
No, that's still the original problem.
This question is classic difference of two squares: . To make it more apparent you can write it as
http://en.wikipedia.org/wiki/Difference_of_two_squares