Please help me to answer this question. It is NOT from a test. It is from a MATH assignment. Thank you for helping me : )

Given:
[tex]\begin{gathered} x^2+y^2=25 \\ 6x=y^2-9 \end{gathered}[/tex]Required:
To find the real solution of the given system of equations.
Explanation:
Consider
[tex]\begin{gathered} x^2+y^2=25-----(1) \\ 6x-y^2=-9-----(2) \end{gathered}[/tex]Now add equation (1) and (2), we get
[tex][/tex]