SOLUTION: does (x^2-y^2)(x^2+y^2) express a completely factored form for x^4-y^4?

Question 409401: does (x^2-y^2)(x^2+y^2) express a completely factored form for x^4-y^4?
Answer by MathLover1(20855) (Show Source): You can put this solution on YOUR website!

does express a completely factored form for ?
answer: yes
here is why:
......using "power of power" rule, you can write this expression as:
........now you got the difference of squares and you use the "difference of squares" formula which gives you