document.write( "Question 169972: I am having difficulty solving the following problem. Can someone please assist me in doing so. Thanks!
\n" ); document.write( "One number is 6 less than another. The product of the number is 72. Find the numbers.
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Algebra.Com's Answer #125435 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"One number is 6 less than another.\" translates to \"y=x-6\"\r
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\n" ); document.write( "\n" ); document.write( "\"The product of the number is 72\" translates to \"x%2Ay=72\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%2Ay=72\" Start with the second equation\r
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\n" ); document.write( "\n" ); document.write( "\"x%28x-6%29=72\" Plug in \"y=x-6\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-6x=72\" Distribute.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-6x-72=0\" Subtract 72 from both sides.\r
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\n" ); document.write( "\n" ); document.write( "Notice we have a quadratic equation in the form of \"ax%5E2%2Bbx%2Bc\" where \"a=1\", \"b=-6\", and \"c=-72\"\r
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\n" ); document.write( "\n" ); document.write( "Let's use the quadratic formula to solve for x\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4ac+%29%29%2F%282a%29\" Start with the quadratic formula\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-%28-6%29+%2B-+sqrt%28+%28-6%29%5E2-4%281%29%28-72%29+%29%29%2F%282%281%29%29\" Plug in \"a=1\", \"b=-6\", and \"c=-72\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+%28-6%29%5E2-4%281%29%28-72%29+%29%29%2F%282%281%29%29\" Negate \"-6\" to get \"6\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+36-4%281%29%28-72%29+%29%29%2F%282%281%29%29\" Square \"-6\" to get \"36\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+36--288+%29%29%2F%282%281%29%29\" Multiply \"4%281%29%28-72%29\" to get \"-288\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+36%2B288+%29%29%2F%282%281%29%29\" Rewrite \"sqrt%2836--288%29\" as \"sqrt%2836%2B288%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+324+%29%29%2F%282%281%29%29\" Add \"36\" to \"288\" to get \"324\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+324+%29%29%2F%282%29\" Multiply \"2\" and \"1\" to get \"2\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+18%29%2F%282%29\" Take the square root of \"324\" to get \"18\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B+18%29%2F%282%29\" or \"x+=+%286+-+18%29%2F%282%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2824%29%2F%282%29\" or \"x+=++%28-12%29%2F%282%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+12\" or \"x+=+-6\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the answers are \"x+=+12\" or \"x+=+-6\" \r
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\n" ); document.write( "\n" ); document.write( "This means that the numbers are:\r
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\n" ); document.write( "\n" ); document.write( "12 and 6\r
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\n" ); document.write( "\n" ); document.write( "OR...\r
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\n" ); document.write( "\n" ); document.write( "-6 and -12\r
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