Question

(2/5)^1/2×x-4 = (125/8)^x​

Answer 1

Answer:

${ \frac{2}{5} }^{ \frac{x - 4}{2} } = { \frac{2}{5} }^{ - 3x} \\ base \: aresame \: so \: powers \: can \: be \\ \: compared \\ \frac{x - 4}{2} = - 3x \\ x - 4 = - 6x \\ 7x = 4 \\ x = \frac{4}{7}$

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