document.write( "Question 768078: How would you go about solving this inequality?\r
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document.write( "x^3>1 \n" );
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Algebra.Com's Answer #468077 by tommyt3rd(5050)![]() ![]() You can put this solution on YOUR website! x^3>1 \r \n" ); document.write( "\n" ); document.write( "x^3-1>0\r \n" ); document.write( "\n" ); document.write( "(x-1)(x^2+x+1)>0\r \n" ); document.write( "\n" ); document.write( "but this is always true: (x^2+x+1)>0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so we only need look at\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x-1>0\r \n" ); document.write( "\n" ); document.write( "and thus x>1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ":) \n" ); document.write( " |