Respuesta :

Answer:

[tex]-\frac{5}{4x}[/tex]

Step-by-step explanation:

[tex]\left(-5x^3\right)^3\div \left(10x^5\right)^2[/tex]

[tex]\frac{-5^3x^9}{\left(10x^5\right)^2}[/tex]

[tex]\frac{-5^3x^9}{10^2x^{10}}[/tex]

[tex]\frac{-5^3x^9}{5^2\cdot \:2^2x^{10}}[/tex]

[tex]\frac{-5x^9}{2^2x^{10}}[/tex]

[tex]\frac{-5}{2^2x}[/tex]

[tex]-\frac{5}{4x}[/tex]

- hope it helps! -