what is wrong with my code? please help as soon as possible thank you

\%Compute mean for sample 1 mean = mean(densities1); disp('The mean of the first sample is ') [mean] =; ' g/m3; \%Compute mean for sample 2 mean = mean (densities2); disp('The mean of the second sample is ") [ mean ]=;; g/m3; Command Window New to MATLAB? See resources for Getting Started. File: interview.m Line: 31 Column: 43 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismate > interview File: interview.m Iine: 31 Column: 43 Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax e. matrices, use brackets instead of parentheses. fx>