document.write( "Question 1068933: the sum of two numbers X and Y is 11. the product of the two numbers is 21. 25. solve your equations to find the possible values of X and Y by using simultaneous equations. \n" ); document.write( "
Algebra.Com's Answer #684167 by josgarithmetic(39617)\"\" \"About 
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\"system%28X%2BY=11%2CXY=21.25%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%2811-X%29-21.25=0\"\r
\n" ); document.write( "\n" ); document.write( "\"-X%5E2%2B11X-21.25=0\"\r
\n" ); document.write( "\n" ); document.write( "\"X%5E2-11X%2B21.25=0\"\r
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\n" ); document.write( "\n" ); document.write( "discriminant, \"121-4%2A21.25=121-85=36=6%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"X=%2811%2B-+6%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%28X=5%2F2%2COR%2CX=17%2F2%29\"\r
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\n" ); document.write( "\n" ); document.write( "The two numbers are \"5%2F2\" and \"17%2F2\".
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