Question: Not returning answer, only echoing

When I try and evaluate the minimize command the result is just echoed.

If I try Maples example function, they echo such as:

minimize(x^2+y^2-3*x+3*y+3);

         minimize(x^2 + y^2 - 3 x + 3 y + 3)

Any suggestions? 

Thanks.

 

 

 

 

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