document.write( "Question 376269: Please help me solve this inequality?\r
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document.write( "(x+13)(x-13)(x+7)>0 \n" );
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Algebra.Com's Answer #267699 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! (x+13)(x-13)(x+7)>0 \n" ); document.write( "x+13>0 \n" ); document.write( "x>-13 ans. \n" ); document.write( "x-13>0 \n" ); document.write( "x>13 ans. \n" ); document.write( "x+7>0 \n" ); document.write( "x>-7 ans. \n" ); document.write( "Proof: \n" ); document.write( "Let x=-12.9 \n" ); document.write( "(-12.9+13)(-12.9-13)(-12.9+7)>0 \n" ); document.write( ".1*-25.9*-5.9>0 \n" ); document.write( "15.281>0 \n" ); document.write( "Let x=-6.9 \n" ); document.write( "(-6.9+13)(-6.9-13)(-6.9+7)>0 \n" ); document.write( "-89.7*89.7*.1>0 \n" ); document.write( "808.609>0 \n" ); document.write( " \n" ); document.write( " |