#### Answer

x + y = 1 provided x is not equal to y

#### Work Step by Step

the equation is simplified by splitting (x^{2}+y^{2}) into (x-y) (x+y) then the (x-y) from the numerator and denominator can cancel leaving the answer. see photo for further work.

Published by
Cengage Learning

ISBN 10:
1285463242

ISBN 13:
978-1-28546-324-7

x + y = 1 provided x is not equal to y

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