document.write( "Question 1209837: Find all real numbers a and b such that\r
\n" ); document.write( "\n" ); document.write( "a + b = 14\r
\n" ); document.write( "\n" ); document.write( "a^3 + b^3 = 812 + a^2 + b^2
\n" ); document.write( "

Algebra.Com's Answer #850774 by greenestamps(13200)\"\" \"About 
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\n" ); document.write( "\"a%2Bb=14\"

\n" ); document.write( "\"%28a%2Bb%29%5E2=a%5E2%2B2ab%2Bb%5E2=196\" --> \"a%5E2%2Bb%5E2=196-2ab\"

\n" ); document.write( "\"%28a%2Bb%29%5E3=a%5E3%2B3a%5E2b%2B3ab%5E2%2Bb%5E3=2744\" --> \"a%5E3%2Bb%5E3=2744-3ab%28a%2Bb%29=2744-42ab\"

\n" ); document.write( "\"a%5E3%2Bb%5E3=812%2Ba%5E2%2Bb%5E2\"
\n" ); document.write( "\"2744-42ab=812%2B196-2ab\"
\n" ); document.write( "\"1736=40ab\"
\n" ); document.write( "\"ab=217%2F5\"

\n" ); document.write( "\"a%2814-a%29=217%2F5\"
\n" ); document.write( "\"14a-a%5E2=217%2F5\"
\n" ); document.write( "\"a%5E2-14a%2B217%2F5=0\"

\n" ); document.write( "Use the quadratic formula....

\n" ); document.write( "\"a=7%2B2sqrt%2835%29%2F5\" or \"a=7-2sqrt%2835%29%2F5\"

\n" ); document.write( "ANSWER: The two numbers a and b are, in either order, \"7%2B2sqrt%2835%29%2F5\" and \"7-2sqrt%2835%29%2F5\"

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