document.write( "Question 1179399: Log (2x^2 - 2) = Log (x^2 + 2x -3)
\n" ); document.write( "quisera resolver este problema
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Algebra.Com's Answer #808937 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "\"log+%28%282x%5E2+-+2%29%29+=+log+%28%28x%5E2+%2B+2x+-3%29%29\"...........aplicar regras de logaritmo ,se logaritmo é o mesmo então temos\r
\n" ); document.write( "\n" ); document.write( "\"2x%5E2+-+2+=+x%5E2+%2B+2x+-3\"\r
\n" ); document.write( "\n" ); document.write( "\"2x%5E2+-+2+-+x%5E2+-2x%2B3=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2++-2x%2B1=0\" \r
\n" ); document.write( "\n" ); document.write( "\"%28x++-1%29%5E2=0\" \r
\n" ); document.write( "\n" ); document.write( "solução\r
\n" ); document.write( "\n" ); document.write( "\"%28x++-1%29=0\" =>\"x=1\"\r
\n" ); document.write( "\n" ); document.write( "verifique se a solução funciona\r
\n" ); document.write( "\n" ); document.write( "\"log+%282%2A1%5E2+-+2%29+=+log+%281%5E2+%2B+2%2A1+-3%29\"\r
\n" ); document.write( "\n" ); document.write( "\"log+%282+-+2%29+=+log+%283+-3%29\"\r
\n" ); document.write( "\n" ); document.write( "\"log+%280%29+=+log+%280%29\" => Nenhuma solução para \"x\" em \"R\"\r
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