Question

(-2/3)^x = -8/27

Tìm x

Answer 1

(-2/3)^x=(-2/3)^3

x=3

Answer 2

\(\left(-\frac{2}{3}\right)^x=-\frac{8}{27}\)
\(\left(-\frac{2}{3}\right)^x=\left(-\frac{2}{3}\right)^3\)
\(\Rightarrow x=3\)
Vậy x = 3

Answer 3

=>(-2/3)^x=(-2/3)³

=>x=3

 vậy x=3

 chắc chắn 100%

Answer 4

\(\left(-\frac{2}{3}\right)^x=-\frac{8}{27}\)

\(\Rightarrow\left(-\frac{2}{3}\right)^x=\left(-\frac{2}{3}\right)^3\)

\(\Rightarrow x=3\)

Vậy \(x=3\)

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