Find x such that: (7/4)⁻³x (7/4)⁻⁵=(7/4)³ˣ⁻²
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Answer:
x=-2
Step-by-step explanation:
(7/4)power-3×(7/4)power-5
a power m×a power n=a power m+n
=(7/4)power-3-5
=(7/4)power -8=(7/4)power 3x-2
Bases are equal ,so powers must be equal
-8=3x-2
3x=-8+2
3x=-6
x=-2
I hope this answer may help you
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