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OpenStudy (anonymous):
combine: x-y/x+y - x+y/x-y
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OpenStudy (anonymous):
0
OpenStudy (anonymous):
everything cancels to 0
OpenStudy (anonymous):
Combine as indicated by the signs. Write variables alphabetically in your answer.
OpenStudy (anonymous):
-4xy ------- x^2 - y^2
OpenStudy (anonymous):
= (x-y)^2 - (x+ y)^2 / (x^2 - y^2) = 0 yep
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OpenStudy (anonymous):
x^2 + y^2 - 2xy - x^2 - y^2 - 2xy = -4xy
OpenStudy (anonymous):
what? yes - ur right - sorry ishaan94 s solution is correct
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