document.write( "Question 1067727: find two numbers whose sum is 26 and whose product is the maximum possible value
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Algebra.Com's Answer #682836 by josgarithmetic(39617)\"\" \"About 
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\"system%28x%2By=26%2Cxy%29\"\r
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\n" ); document.write( "\n" ); document.write( "product, \"xy=x%2826-x%29=26x-x%5E2\"
\n" ); document.write( "has roots 0 and 26 and this product is related to the concave downward parabola \"f%28x%29=x%2826-x%29\". The vertex MAXIMUM will occur at x=13.
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