Đáp án:
Giải thích các bước giải:
\(\begin{array}{l}{\left( {x - {\rm{ }}1/2} \right)^3} - \frac{1}{5}{\rm{ }} = \frac{{ - 17}}{{125}}\\ \Leftrightarrow {\left( {x - \frac{1}{2}} \right)^3} = \frac{1}{5} - \frac{{17}}{{125}}\\ \Leftrightarrow {\left( {x - \frac{1}{2}} \right)^3} = \frac{8}{{125}}\\ \Leftrightarrow {\left( {x - \frac{1}{2}} \right)^3} = {\left( {\frac{2}{5}} \right)^3}\\ \Rightarrow x - \frac{1}{2} = \frac{2}{5}\\ \Rightarrow x = \frac{2}{5} + \frac{1}{2}\\ \Rightarrow x = \frac{9}{{10}}\end{array}\)
