9514 1404 393
Answer:
x = -1/8
Explanation:
The expression simplifies to ...
-3 -5 = 1/x
-8 = 1/x
x = -1/8
_____
We wonder if you intend ...
(-3)^-5 = 1/x
(-3)^5 = x . . . . . . multiply by x(-3)^5
x = -3^5 . . . . . . . simplify signs
x = -243
The rule for exponents is a^-b = 1/a^b