document.write( "Question 1077066: If a+b=20 and ab=40, find a^2+b^2. \n" ); document.write( "
Algebra.Com's Answer #691626 by ikleyn(52781)\"\" \"About 
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document.write( "\"a%5E2+%2B+b%5E2\" = \"%28a%2Bb%29%5E2+-+2ab\" = \"20%5E2+-+2%2A40\" = 400 - 80 = 320.\r\n" );
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\n" ); document.write( "\n" ); document.write( "SOLVED.\r
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\n" ); document.write( "It is the STANDARD way in which THIS problem MUST be solved.\r
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\n" ); document.write( "\n" ); document.write( "Even do not try to find \"a\" and \"b\" explicitly and separately (although it is possible . . . ).
\n" ); document.write( "It would NOT be the way.\r
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