Question

(x+6) mũ 3 =64 giải giùm e bài này vs ạ

Answer 1

\(\left(x+6\right)^3=64\)

\(\Leftrightarrow\left(x+6\right)^3=4^3\)

\(\Leftrightarrow x+6=4\)

\(\Leftrightarrow x=-2\)

Answer 2

\(\left(x+6\right)^3=64\)

\(\sqrt[3]{\left(x+6\right)^3}=\sqrt[3]{64}\)

\(x+6=4\)

\(x=-2\)