document.write( "Question 1178016: (1)ONE NUMBER EXCEEDS ANOTHER BY 5 THE SUM OF THEIR SQUARES IS 120,FIND THE NUMBERS. (2)TWO NUMBERS DIFFERS BY 6,THE DIFFERENCE OF THEIR SQUARES IS 120,FIND THE NUMBERS. \n" ); document.write( "
Algebra.Com's Answer #807188 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "(1)ONE NUMBER EXCEEDS ANOTHER BY 5 THE SUM OF THEIR SQUARES IS 120,FIND THE NUMBERS. \r
\n" ); document.write( "\n" ); document.write( "let first number be \"x\"
\n" ); document.write( "and second number \"y\"
\n" ); document.write( " if second number exceeds first by \"5\"\r
\n" ); document.write( "\n" ); document.write( "so, we have \"x=y-5\"..........eq.1\r
\n" ); document.write( "\n" ); document.write( "the sum of their squares is \"120\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2By%5E2=120\"\r
\n" ); document.write( "\n" ); document.write( "\"%28y-5%29%5E2%2By%5E2=120\"\r
\n" ); document.write( "\n" ); document.write( "\"2+y%5E2+-+10+y+%2B+25=120\"\r
\n" ); document.write( "\n" ); document.write( "\"2+y%5E2+-+10+y+%2B+25-120=0\"\r
\n" ); document.write( "\n" ); document.write( "\"2+y%5E2+-+10+y+-95=0\"...........using quadratic formula we get\r
\n" ); document.write( "\n" ); document.write( "\"y+=+5%2F2+%2B+sqrt%28215%29%2F2\" or \"y=9.83143914930759\"
\n" ); document.write( "or
\n" ); document.write( "\"y+=+5%2F2+-+sqrt%28215%29%2F2\" or \"y=-4.83143914930759\"\r
\n" ); document.write( "\n" ); document.write( "then\r
\n" ); document.write( "\n" ); document.write( "\"x=5%2F2+%2B+sqrt%28215%29%2F2-5\" or \"x=4.83143914930759\"
\n" ); document.write( "or
\n" ); document.write( "\"x=5%2F2+-sqrt%28215%29%2F2-5\" or \"x=-9.83143914930759\"\r
\n" ); document.write( "\n" ); document.write( "your numbers are:\r
\n" ); document.write( "\n" ); document.write( "\"4.83143914930759\" and \"9.83143914930759\"
\n" ); document.write( "or
\n" ); document.write( "\"-4.83143914930759\" and \"-9.83143914930759\"\r
\n" ); document.write( "\n" ); document.write( "check: for accuracy using all decimal places\r
\n" ); document.write( "\n" ); document.write( "\"9.83143914930759%5E2%2B%28-4.83143914930759%29%5E2=120\"
\n" ); document.write( "\"120=120\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(2)TWO NUMBERS DIFFERS BY 6,THE DIFFERENCE OF THEIR SQUARES IS 120,FIND THE NUMBERS.\r
\n" ); document.write( "\n" ); document.write( "let first number be \"x\"
\n" ); document.write( "and second number \"y\"
\n" ); document.write( " if second number differ by \"6\"\r
\n" ); document.write( "\n" ); document.write( "so, we have \"y=x-6\"..........eq.1\r
\n" ); document.write( "\n" ); document.write( "the difference of their squares is \"120\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-y%5E2=120\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-%28x-6%29%5E2=120\"
\n" ); document.write( "\"x%5E2-%28x%5E2-12x%2B36%29=120\"
\n" ); document.write( "\"x%5E2-x%5E2%2B12x-36=120\"
\n" ); document.write( "\"12x-36=120\".........simplify, divide by \"12\"
\n" ); document.write( "\"x-3=10\"
\n" ); document.write( "\"x=10%2B3\"
\n" ); document.write( "\"x=13\"\r
\n" ); document.write( "\n" ); document.write( "then\r
\n" ); document.write( "\n" ); document.write( "\"y=x-6\"->\"y=13-6\"->\"y=7\"\r
\n" ); document.write( "\n" ); document.write( "your numbers are: \"13\" and \"7\"\r
\n" ); document.write( "\n" ); document.write( "check the difference of their squares:\r
\n" ); document.write( "\n" ); document.write( "\"13%5E2-7%5E2=120\"
\n" ); document.write( "\"169-49=120\"
\n" ); document.write( "\"120=120\"\r
\n" ); document.write( "\n" ); document.write( "
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