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Find all pairs  of real numbers such that $x + y = 10$ and $x^2 + y^2 = 56$.
For example, to enter the solutions  and , you would enter "(2,4),(-3,9)" (without the quotation marks).

 May 15, 2021
 #1
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Solving the equations, we get the solutions are (5 + sqrt(7), 5 - sqrt(7)), (5 - sqrt(7), 5 + sqrt(7)).

 May 15, 2021
 #2
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that seems to be incorrect

Guest May 15, 2021

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