document.write( "Question 369799: Solve by factoring and using the principle of zero products:
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document.write( "x^2+4x-21=0 \n" );
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Algebra.Com's Answer #263519 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Hint: \n" ); document.write( "factor 21 \n" ); document.write( " \n" ); document.write( " |