Question

Tìm x:

2^x+2^x+4=544

Answer 1

\(2^x+2^{x+4}=544\\ \Leftrightarrow2^x.\left(1+2^4\right)=544\\ \Leftrightarrow2^x.17=544\\ \Leftrightarrow2^x=\dfrac{544}{17}=32=2^5\\ Vậy:x=5\)

Answer 2

\(...2^x\left(1+16\right)=544\Rightarrow2^x=544:17=32=2^5\)

\(\Rightarrow x=5\)