Question

[nguyen hue anh]

2^x-1+2^x+1=5.2⁴

Answer 1

[nguyen hue anh]

mong các bạn giúp đỡ

Answer 2

[Thúy Ngân]

Ta có: \(2^{x-1}+2^{x+1}=5.2^4\)

\(\Rightarrow2^x\left(\frac{1}{2}+2\right)=5.2^4\)

\(\Rightarrow2^x.\frac{5}{2}=5.2^4\)

\(\Rightarrow2^x=2^4.2=2^5\Rightarrow x=5.\)