Respuesta:
Explicación paso a paso:
[tex]a) 81+72m+16m^{2} \\16m^{2}+72+81 \\\\b) (x^{10})^{2} +2x^{10}.5y^{2} +(5y^{2})^{2}\\x^{20}10x^{2} y^{2}+25y^{4} \\\\c) (2x)^{2}+2.2x.3z+(3z)^{2} \\4x^{2} +12xz+9z^{2} \\\\d) (4m^{5}) ^{2}+2.4m^{5}.5n^{3}+(5n^{3})^{2}\\16m^{10}+40m^{5} n^{3} +25n^{6}[/tex]
