\(2^x-8=0\)
\(\Rightarrow2^x=8\)
\(\Rightarrow2^x=2^3\)
\(\Leftrightarrow x=3\)
2x - 8 = 0
=> 2x = 8 + 0
=> 2x = 8
=> 2x = 23
=> x = 3
~Hok tốt nhé~
\(2^x-8=0\)
\(2^x=0+8\)
\(2^x=8\)
\(\Rightarrow x=3\)
\(2^x-8=0\)
\(=>2^x=0+8\)
\(=>2^x=8\)
\(=>x=3\)