document.write( "Question 803861: One number is 15 greater than the other number. The product of the two numbers is 286. Assuming both numbers are positive, find the numbers. \n" ); document.write( "
Algebra.Com's Answer #484500 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "let one number be \"x\" and the other number \"y\"\r
\n" ); document.write( "\n" ); document.write( "if one number is \"15\" greater than the other number, you have \"x=y%2B15\"....eq.1\r
\n" ); document.write( "\n" ); document.write( "if the product of the two numbers is \"286\", you have \"x%2Ay=286\".....eq.2\r
\n" ); document.write( "\n" ); document.write( "solve the system:\r
\n" ); document.write( "\n" ); document.write( "\"x=y%2B15\"....eq.1....substitute in eq.2
\n" ); document.write( "\"x%2Ay=286\".....eq.2
\n" ); document.write( "________________________\r
\n" ); document.write( "\n" ); document.write( "\"%28y%2B15%29%2Ay=286\".....eq.2\r
\n" ); document.write( "\n" ); document.write( "\"y%5E2%2B15y=286\"\r
\n" ); document.write( "\n" ); document.write( "\"y%5E2%2B15y-286=0\".......factor, write \"15y\" as \"26y-11y\"\r
\n" ); document.write( "\n" ); document.write( "\"y%5E2%2B26y-11y-286+=+0\"......group\r
\n" ); document.write( "\n" ); document.write( "\"%28y%5E2%2B26y%29-%2811y%2B286%29+=+0\"\r
\n" ); document.write( "\n" ); document.write( "\"y%28y%2B26%29-11%28y%2B26%29+=+0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28y-11%29%28y%2B26%29+=+0\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if \"y-11++=+0\" => \"y=11\"\r
\n" ); document.write( "\n" ); document.write( "if \"+y%2B26+=+0\" => \"y=-26\"\r
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\n" ); document.write( "\n" ); document.write( "Assuming both numbers are positive, we will use only \"highlight%28y=11%29\" and calculate \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x=y%2B15\"....eq.1\r
\n" ); document.write( "\n" ); document.write( "\"x=11%2B15\" \r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=26%29\" \r
\n" ); document.write( "\n" ); document.write( "so, your numbers are \"highlight%28+26%29\" and \"highlight%2811%29\" \r
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