2x = 8
<=> 8 = 23
=> x = 3
x5 = 32
<=> 32 = 25
=> x = 2
a, \(2^x=8\)
\(\Rightarrow2^x=2^3\)
\(\Rightarrow x=3\)
b, \(x^5=32\)
\(\Rightarrow x^5=2^5\)
\(\Rightarrow x=2\)
2\(^x\)= 8
2\(^x\)= 2\(^3\)
\(\Rightarrow\)x = 3
b) x\(^5\)= 32
\(x^5=2^5\)
\(\Rightarrow x=5\)
Chúc bạn học tốt!