Răspuns :
Explicație pas cu pas:
[tex]9 {}^{5} - (3 {}^{5} ) {}^{2} + 8 {}^{4} - (2 {}^{4} ) {}^{3} = \\ 3 {}^{10} - (3 {}^{5} ) {}^{2} + 8 {}^{4} - (2 {}^{4} ) {}^{3} = \\ 3 {}^{10} - 3 {}^{10} + 8 {}^{4} - (2 {}^{4} ) {}^{3} = \\ 3 {}^{10} - 3 {}^{10} + 2 {}^{12} - (2 {}^{4} ) {}^{3} = \\ 3 {}^{10} - 3 {}^{10} + 2 {}^{12} - 2 {}^{12} = \\ 0 + 2 {}^{12} - 2 {}^{12} = \\ 0 + 0 = \\ 0[/tex]