document.write( "Question 387982: 3^(x+3)+3^x=84 \n" ); document.write( "
Algebra.Com's Answer #274272 by robertb(5830)\"\" \"About 
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\"3%5E%28x%2B3%29+%2B+3%5Ex+=+3%5Ex%2A3%5E3+%2B+3%5Ex+=+27%2A3%5Ex+%2B+3%5Ex+=+28%2A3%5Ex+=+84\".
\n" ); document.write( "Hence \"28%2A3%5Ex+=+84\", or \"3%5Ex+=+3\", or x = 1.
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