1.

2^x-1 * 2^x+1 = 32. find x

Answer» ONG>ANSWER:

\boxed{x=\frac{5}{2}}

Step-by-step EXPLANATION:

2^{x-1} \times 2^{x+1} = 32 \\ 2^{x-1+x+1} =2^5 \\\\ bases \ are \ equal \ exponents \ must \ be \ equal. \\\\ x-1+x+1=5\\\\2x=5 \\\\ x=5/2 \\\\ x=2.5


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