Question

combine:
x-y/x+y - x+y/x-y

Answer 1

0

Answer 2

everything cancels to 0

Answer 3

Combine as indicated by the signs. Write variables alphabetically in your answer.

Answer 4

-4xy
-------
x^2 - y^2

Answer 5

= (x-y)^2 - (x+ y)^2 / (x^2 - y^2)
= 0
yep

Answer 6

x^2 + y^2 - 2xy - x^2 - y^2 - 2xy = -4xy

Answer 7

what?

yes - ur right - sorry
ishaan94 s solution is correct