Posted by Anonymous on .
x^2 – a^2 is called a difference of squares. Assuming one factor (the divisor) is (x – a), show by polynomial division that the other factor is (x + a)

Polynomials/Math 
Henry,
(x^2a^2)/(xa)=(x+a)(xa)/(xa)=x+a.
(x+a)(xa) = x^2a^2).
This should be done by long division,
but it is difficult to show here.