document.write( "Question 195949: The sum of the squares of three consecutive, positive integers is equal to the sum of the squares of the next two integers. Find the five integers.\r
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\n" ); document.write( "\n" ); document.write( "x + x +2 + x + 3 = x squared + x squared.. is the best I can come up with???? help! Thanks.
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Algebra.Com's Answer #146919 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Consecutive integers follow the form: x, x+1, x+2, x+3, etc...\r
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\n" ); document.write( "\n" ); document.write( "\"The sum of the squares of three consecutive, positive integers is equal to the sum of the squares of the next two integers.\" translates to \"x%5E2%2B%28x%2B1%29%5E2%2B%28x%2B2%29%5E2=%28x%2B3%29%5E2%2B%28x%2B4%29%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B%28x%2B1%29%5E2%2B%28x%2B2%29%5E2=%28x%2B3%29%5E2%2B%28x%2B4%29%5E2\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2Bx%5E2%2B2x%2B1%2Bx%5E2%2B4x%2B4=x%5E2%2B6x%2B9%2Bx%5E2%2B8x%2B16\" FOIL\r
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\n" ); document.write( "\n" ); document.write( "\"3x%5E2%2B6x%2B5=2x%5E2%2B14x%2B25\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"3x%5E2%2B6x%2B5-2x%5E2-14x-25=0\" Get all terms to the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-8x-20=0\" Combine like terms.\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=-8\", and \"c=-20\"\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-%28-8%29+%2B-+sqrt%28+%28-8%29%5E2-4%281%29%28-20%29+%29%29%2F%282%281%29%29\" Plug in \"a=1\", \"b=-8\", and \"c=-20\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+sqrt%28+%28-8%29%5E2-4%281%29%28-20%29+%29%29%2F%282%281%29%29\" Negate \"-8\" to get \"8\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+sqrt%28+64-4%281%29%28-20%29+%29%29%2F%282%281%29%29\" Square \"-8\" to get \"64\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+sqrt%28+64--80+%29%29%2F%282%281%29%29\" Multiply \"4%281%29%28-20%29\" to get \"-80\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+sqrt%28+64%2B80+%29%29%2F%282%281%29%29\" Rewrite \"sqrt%2864--80%29\" as \"sqrt%2864%2B80%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+sqrt%28+144+%29%29%2F%282%281%29%29\" Add \"64\" to \"80\" to get \"144\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+sqrt%28+144+%29%29%2F%282%29\" Multiply \"2\" and \"1\" to get \"2\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+12%29%2F%282%29\" Take the square root of \"144\" to get \"12\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B+12%29%2F%282%29\" or \"x+=+%288+-+12%29%2F%282%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2820%29%2F%282%29\" or \"x+=++%28-4%29%2F%282%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+10\" or \"x+=+-2\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the answers are \"x+=+10\" or \"x+=+-2\" \r
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\n" ); document.write( "\n" ); document.write( "Once again, the problem mentions that the numbers are positive. So this means that the only solution is \"x+=+10\"\r
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\n" ); document.write( "\n" ); document.write( "This means that the numbers are: 10, 11, 12, 13, and 14
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