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Find all pairs (x, y) of real numbers such that x + y = 10 and x^2 + y^2 = 56.

 

If you could also maybe explain how you got the anwser, so I can understand, that would help so much! :)
 

 May 6, 2020
 #1
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(x,y) = (5 + sqrt(7), 5 - sqrt(7)), (5 - sqrt(7), 5 + sqrt(7))

 May 6, 2020
 #2
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thats actually wrong sorry :(

 May 6, 2020

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