document.write( "Question 245558: Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.\r
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document.write( "log 2 (x + 2) + log 2 (x - 4) = 4 \n" );
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Algebra.Com's Answer #179357 by edjones(8007)![]() ![]() You can put this solution on YOUR website! log 2 (x + 2) + log 2 (x - 4) = 4 \n" ); document.write( "2^(log 2 (x + 2)) * 2^( log 2 (x - 4)) =2^4 \n" ); document.write( "(x+2)(x-4)=16 \n" ); document.write( "x^2-2x-8=16 \n" ); document.write( "x^2-2x-24=0 \n" ); document.write( "(x-6)(x+4)=0 \n" ); document.write( "x=6 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |