document.write( "Question 1109774: The roots of (x-1)(x-2)=p are equal. Find p.\r
\n" ); document.write( "\n" ); document.write( "The answer is p=1/4, how do they get that?
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Algebra.Com's Answer #724726 by josgarithmetic(39838)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "The roots of (x-1)(x-2)=p are equal. Find p.\r
\n" ); document.write( "\n" ); document.write( "The answer is p=1/4, how do they get that?
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-3x%2B2-p=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"Equal Roots\"
\n" ); document.write( "\"%283-sqrt%289-4%282-p%29%29%29%2F2=%283%2Bsqrt%289-4%282-p%29%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"3-sqrt%289-8%2B4p%29=3%2Bsqrt%289-8%2B4p%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"-sqrt%281%2B4p%29=sqrt%281%2B4p%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"0=2%2Asqrt%281%2B4p%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%281%2B4p%29=0\", both sides were multiplied by \"1%2F2\";\r
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\n" ); document.write( "\n" ); document.write( "square both sides:
\n" ); document.write( "\"1%2B4p=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"4p=-1\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_green%28p=-1%2F4%29\"
\n" ); document.write( "?\r
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\n" ); document.write( "\n" ); document.write( "(Possible mistake of sign somewhere)
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