document.write( "Question 1128717: For the following quadratic equation, determine the nature of the roots.
\n" ); document.write( "5x^2-20x-225=0
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Algebra.Com's Answer #745197 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!
\"5x%5E2-20x-225=0\"......first simplify, both sides divide by \"5\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-4x-45=0\"............factor\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B5x-9x-45=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%5E2%2B5x%29-%289x%2B45%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x%28x%2B5%29-9%28x%2B5%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x+-+9%29+%28x+%2B+5%29+=+0\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
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\n" ); document.write( "\n" ); document.write( "\"%28x+-+9%29+=+0\"=>\"x=9\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28x+%2B+5%29+=+0\"=>\"x=-5\"\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-55%2C+55%2C+-55%2C+55%2C+x%5E2-4x-45%29+\" \r
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