Question

Simplifique a expressao acima.​

Answer 1

Resposta:

a)

$5 {x}^{2} \times 8x = 40 {x}^{3}$

b)

$\frac{2}{5} {x}^{6} \times \frac{5}{7} {x}^{2} {y}^{7} = \frac{10}{35} {x}^{8} {y}^{7} = \frac{2}{7} {x}^{8} {y}^{7}$