document.write( "Question 1086208: the difference of 2 numbers is 3.If the difference of their squared is 15,what is the sum of the numbers
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Algebra.Com's Answer #700414 by ikleyn(52847) $\"\"$ $\"About$

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\n" ); document.write( "the difference of 2 numbers is 3. If the difference of their $\"highlight%28cross%28squared%29%29\"$ squares is 15, what is the sum of the numbers ?
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document.write( " = 15  ====>  (x+y)*(x-y) = 15.\r\n" );
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document.write( "Now replace x-y by 3, according to the condition. You will get\r\n" );
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document.write( "3*(x+y) = 15  ===>  x + y =  = 5.\r\n" );
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document.write( "Answer.  x + y = 5.\r\n" );
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\n" ); document.write( "\n" ); document.write( "There is NO any need to solve quadratic equation.\r
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\n" ); document.write( "\n" ); document.write( " The solution should not be more complex than the problem requires. (Einstein)\r
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