Question

64.4^x = 16²

TÌM X

Answer 1

\(64\cdot4^x=16^2\)

=>\(4^x\cdot4^3=4^4\)

=>x+3=4

=>x=4-3=1

Answer 2

\(64.4^x=16^2\)
\(\Rightarrow4^3.4^x=\left(4^2\right)^2\)
\(\Rightarrow4^{3+x}=4^4\)
\(\Rightarrow3+x=4\)
\(\Rightarrow x=4-3\)
\(\Rightarrow x=1\)
Vậy \(x=1\)

Answer 3

\(4^3+4^X=16^2 \)

\(4^{3+x}=4^4\)

3+x = 4

x=4-3

x=1