document.write( "Question 977847: Find two positive numbers whose sum is 121 and product is 3528
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Algebra.Com's Answer #599379 by josgarithmetic(39618)\"\" \"About 
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Find x and y so that x+y=s and xy=p for some constants s and p.
\n" ); document.write( "s is for sum and p is for product. Your example uses s=121 and p=3528.\r
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\n" ); document.write( "\n" ); document.write( "\"y=s-x\";
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\n" ); document.write( "\"x%28s-x%29=p\"
\n" ); document.write( "\"sx-x%5E2=p\"
\n" ); document.write( "\"-x%5E2%2Bsx-p=0\"
\n" ); document.write( "\"x%5E2-sx%2Bp=0\"\r
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\n" ); document.write( "\n" ); document.write( "You may expect that the quadratic left side is factorable, although possibly difficult to find. You still can use general formula for the solution.\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28x=%28s%2B-+sqrt%28s%5E2-4%2Ap%29%29%2F2%29\", and you need the positive value for x. Use it to find y.
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