The answer is: [tex](5x^{6}+6y^{7}) (5x^{6} - 6y^{7})[/tex]
To get answer: Factor [tex]25x^{12} -36y^{14}[/tex]
[tex]-36y^{14} +25x^{12}[/tex]
[tex]= (6y^{7} +5x^{6})(-6y^{7}+5x^{6})[/tex]