First do 3/2⁻⁷, which equals to (2/3)⁷ , which equals to 128/2187.
Then do (2x⁻¹)⁻⁵, which is x⁵/2⁵ = x⁵/32.
Multiply the two and the answer is:
128/2187*x⁵/32
= 4/2187 * x⁵
Hope this helped. : )
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