Question

Сократите дробь (4x)^3*x^-5/x^-7*5x^5

Answer 1

$\frac{4 x^{3}\cdot x^{-5} }{ x^{-7}\cdot 5x ^{5} }= \frac{4 x^{-2} }{5 x^{-2} }= \frac{4}{5}$