document.write( "Question 923728: log base1/3(x+1)-log base9(x)=-1 . Solve for x by using change of base and check. \n" ); document.write( "
Algebra.Com's Answer #560283 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"log+%281%2F3%2C%28x%2B1%29%29-log%289%2Cx%29=-1\"\r
\n" ); document.write( "\n" ); document.write( "\"-%28log%28x%2B1%29%29%2F%28log%283%29%29-%28log%28x%29%29%2F%28log%289%29%29+=+-1\"\r
\n" ); document.write( "\n" ); document.write( "\"-%28log%28x%2B1%29%29%2F%28log%283%29%29-%28log%28x%29%29%2F%28log%283%5E2%29%29+=+-1\"\r
\n" ); document.write( "\n" ); document.write( "\"-%28log%28x%2B1%29%29%2F%28log%283%29%29-%28log%28x%29%29%2F%282log%283%29%29+=+-1\"\r
\n" ); document.write( "\n" ); document.write( "\"%28-2%28log%28x%2B1%29%29-%28log%28x%29%29%29%2F%282log%283%29%29+=+-1\"\r
\n" ); document.write( "\n" ); document.write( "\"-2%28log%28x%2B1%29%29-%28log%28x%29%29+=+-1%282log%283%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"log%28%28x%2B1%29%5E2%29%2B%28log%28x%29%29+=+log%289%29\"\r
\n" ); document.write( "\n" ); document.write( "\"log%28%28x%2B1%29%5E2%28x%29%29+=+log%289%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%2B1%29%5E2%2Ax=+9\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%5E2%2B2x%2B1%29%2Ax=+9\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E3%2B2x%5E2%2Bx-9=0+\" \r
\n" ); document.write( "\n" ); document.write( "roots: =>\"x%5B1%5D=1.4724\", \"x%5B2%5D=-1.73618+%2B+1.76019i\" and \"x%5B3%5D=-1.73618+-1.76019i\"
\n" ); document.write( "Roots were found using cubic formulas.\r
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