document.write( "Question 520208: X^2+3x+9=0 \n" ); document.write( "

Algebra.Com's Answer #345980 by Tatiana_Stebko(1539) $\"\"$ $\"About$

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$\"x%5E2%2B3x%2B9=0\"$
\n" ); document.write( " $\"x+=+%28-3+%2B-+sqrt%28+3%5E2-4%2A1%2A9+%29%29%2F%282%2A1%29+\"$
\n" ); document.write( " $\"x+=+%28-3+%2B-+i%2Asqrt%28+27+%29%29%2F2+\"$
\n" ); document.write( " $\"x%5B1%5D+=+%28-3+%2B+3sqrt%28+3+%29i%29%2F2+\"$
\n" ); document.write( " $\"x%5B2%5D+=+%28-3+-+3sqrt%28+3+%29i%29%2F2+\"$ \n" ); document.write( "

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