document.write( "Question 1104098: i need help using the discriminant to find the number of unique real solutions of 3x^2+3x=21\r
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Algebra.Com's Answer #718820 by josgarithmetic(39617) $\"\"$ $\"About$

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$\"ax%5E2%2Bbx%2Bc=0\"$ \r
\n" ); document.write( "\n" ); document.write( "Discriminant is $\"b%5E2-4ac\"$ .
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document.write( "SIGN of Discriminant   SOLUTIONS\r\n" );
document.write( "Negative                 0\r\n" );
document.write( "Zero                     1\r\n" );
document.write( "Positive                 2\r\n" );
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\r
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\n" ); document.write( "\n" ); document.write( " $\"3x%5E2%2B3x=21\"$
\n" ); document.write( " $\"3x%5E2%2B3x-21=0\"$
\n" ); document.write( "-
\n" ); document.write( " $\"system%28a=3%2Cb=3%2Cc=-21%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "Make the substitutions, evaluate, and decide. \n" ); document.write( "

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