If x ^(2) + y ^(2) + 6x + 5 =4 (x-y) the...

If `x ^(2) + y ^(2) + 6x + 5 =4 (x-y)` then x-y is

A

1

B

`-1`

C

0

D

4

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CHAMPION PUBLICATION-2016 TIER-II PAPER(16)-EXERCISE

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