help i will give brainliest

Answer:
- 5[tex]x^{7}[/tex]
Step-by-step explanation:
Using the rule of exponents
[tex]\frac{a^{m} }{a^{n} }[/tex] = [tex]a^{(m-n)}[/tex]
Given
[tex]\frac{10x^5}{-2x^-2}[/tex] ( split factors into product )
= [tex]\frac{10}{-2}[/tex] × [tex]x^{5-(-2)}[/tex]
= - 5[tex]x^{7}[/tex]