document.write( "Question 1204368: What number goes under the radical when solving this equation with the quadratic formula?\r
\n" ); document.write( "\n" ); document.write( "2x^2 - 4x - 30 = 0
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Algebra.Com's Answer #840571 by ikleyn(52787)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "On solving quadratic equations using the quadratic formula,  see the lessons \r
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\n" ); document.write( "\n" ); document.write( "    - PROOF of quadratic formula by completing the square\r
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