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 #840568 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\"ax%5E2%2Bbx%2Bc=0\"\r
\n" ); document.write( "\n" ); document.write( "\"general_solution\" \"x=%28-b%2B-+sqrt%28b%5E2-4ac%29%29%2F%282a%29\"\r
\n" ); document.write( "\n" ); document.write( "Your question is asking for \"b%5E2-4ac\" expression.\r
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\n" ); document.write( "\n" ); document.write( "Your specific example is \"%28-4%29%5E2-4%2A2%28-30%29\" and you may compute this.
\n" ); document.write( "(The discriminant)
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