Question

[Phong Nguyễn Nam]

Tìm biết

Answer 1

[Đức Minh]

\(2^x\cdot\left(-2\right)^{2x}\cdot8^x=4^6\)

\(\Leftrightarrow2^x\cdot2^{2x}\cdot\left(2^3\right)^x=\left(2^2\right)^6\)

\(\Leftrightarrow2^{x+2x+3x}=2^{12}\)

\(\Rightarrow x+2x+3x=12\)

\(\Rightarrow x=2\)