matlab求方程组的解用[x,y] = solve('(x-1)^2+(y-2)^2-25=0','y-2x+1=0'

matlab求方程组的解
用[x,y] = solve('(x-1)^2+(y-2)^2-25=0','y-2x+1=0')求解方程的解的时候报错,出现以下信息
>> [x,y] = solve('(x-1)^2+(y-2)^2-25=0','y-2x+1=0')
Error using ==> solve>getEqns at 182
' y-2x+1=0 ' is not a valid expression or equation.
Error in ==> solve at 67
[eqns,vars] = getEqns(varargin{:});ti
请问是什么问题啊