Question

(0,125) mũ x+1 =64

Answer 1

Ta có: \(\left(0,125\right)^{x+1}=64\)

\(\Rightarrow\left(0,125\right)^{x+1}=\left(0,125\right)^{-2}\)

\(\Rightarrow\) \(x+1=-2\)

\(\Rightarrow\)\(x=-3\)

Vậy x = -3

Answer 2

\(0,125^{x+1}=64\\ 0,125^{-2}=64\Leftrightarrow x-1=-2\Leftrightarrow x=-1\)