document.write( "Question 880367: 3^(x+1)-3^(x-1)=2(6)^2 find x \n" ); document.write( "

Algebra.Com's Answer #531716 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"3%5E%28x%2B1%29-3%5E%28x-1%29=2%286%29%5E2\"$
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\n" ); document.write( " $\"3%5E%28x%2B1%29=3%2A3%5Ex\"$
\n" ); document.write( " $\"3%5E%28x-1%29=%281%2F3%29%2A3%5Ex\"$
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\n" ); document.write( " $\"3%2A3%5Ex-%281%2F3%293%5Ex=72\"$
\n" ); document.write( " $\"%283-1%2F3%293%5Ex=72\"$
\n" ); document.write( " $\"%288%2F3%293%5Ex=72\"$
\n" ); document.write( " $\"3%5Ex=27\"$
\n" ); document.write( " $\"x=3\"$ \r
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