document.write( "Question 389016: Find the value of alpha such that the quardratic equation(alpha-3)x square+(alpha-3)x+4=0,has equal roots?
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\n" ); document.write( " The given answer is '4'but I don't know to solve it...
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Algebra.Com's Answer #275482 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
\"%28alpha-3%29x%5E2+%2B+%28alpha+-+3%29x+%2B+4+=+0\";
\n" ); document.write( "The discriminant has to be equal to 0 for the roots to be equal. Then \"alpha+=+3\" or \"alpha+=+19\". But \"alpha+=+3\" won't result in a quadratic equation, so \"alpha+=+19\".
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