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x=7-2√10/3. y=7+2√10/3
49+40-28√10/9 +49-40/9 +49+40+28√10/9
89-28√10/9 _1+ 89+28√10/9
(89-28√10+89+28√10/9)_1
178/9-1
178-9/9=169/9=18.7
is your answer
49+40-28√10/9 +49-40/9 +49+40+28√10/9
89-28√10/9 _1+ 89+28√10/9
(89-28√10+89+28√10/9)_1
178/9-1
178-9/9=169/9=18.7
is your answer
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