two quadratic eq, please help

[shih lin]

dear octave and math programmers:

  highly appreciate anyone can tell me how (or hint) to use octave to 
solve:(12-x)^2 + y^2 =15^2, (16+y)^2+x^2=25^2 (by programming or using its 
built 
in function)?
that ^2 mean square.
looking to any math&programer's help,
 eric, address@hidden




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