Question

Dou 10 pontos ,! Ajuda por favor

Answer 1

A)

$(- 7d {}^{3} xz {}^{4}) {}^{2} \\ - 49d {}^{6} x {}^{2} z {}^{8}$

B)

$3d {}^{2} w {}^{3} - d {}^{2} w {}^{3} \\ (2d {}^{2} w {}^{3} ) { }^{2} \\ 4d {}^{4} w {}^{6}$

C)

$(2b {}^{2} a) {}^{3} + (3ab {}^{2} \times 4a {}^{2} b {}^{3} ) \\ (2b {}^{2} a) + (12a {}^{3} b {}^{9} )$

Answer 2

a)

b)

c)

espero ter ajudado.