Question

Factor the expression completely. x^4-y^4

Answer 1

Its the difference of two squares. What would be your factor then?

Answer 2

Remember when multiplying we add exponents.

Answer 3

(x^2-y^2) (x^2+y^2)
but then i dont know what you do after that

Answer 4

That is the final answer. :)

Answer 5

Oh wait

Answer 6

and you still have a difference of 2 sq

Answer 7

to factor

Answer 8

(x^2-y^2) , is also a difference of two squares, so you should factor it also

Answer 9

(x^2+y^2), is final and has no factors

Answer 10

idk whats wrong but it still says I have the wrong answer :(

Answer 11

Did you factor them correctly?

Answer 12

\[(x+y)(x-y)(x^2+y^2)\]

Answer 13

Stop giving away answers @John_ES

Answer 14

Ok, I think this was finished and no one was replying them. Sorry, I don't see that the response was recent ;).

Answer 15

OMG!!! Thank you so much @John_ES I was writing it (x^2+y^2)(x+y)(x-y) and it would not work. But your answer did!!

Answer 16

Please note that, since its multiplication we can interchange the position of our binomials.