Resposta:
[tex] {9a}^{2} {b}^{2} [/tex]
[tex] {49a}^{4} {b}^{2} {x}^{2} [/tex]
[tex] {25a}^{2} {b}^{2} {c}^{2} [/tex]
[tex]1[/tex]
[tex] \frac{64}{25} {x}^{4} {y}^{6} [/tex]
[tex] - \frac{27}{8} {a}^{3} {b}^{6} [/tex]
[tex] - \frac{1}{27} {a}^{9} {x}^{3} [/tex]
*Espero ter ajudado*
