document.write( "Question 339009: x^2-6x+13=0 \n" ); document.write( "
Algebra.Com's Answer #243002 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-6x%2B13=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"x%5E2-6x%2B13\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=1\", \"B=-6\", and \"C=13\"\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%2813%29+%29%29%2F%282%281%29%29\" Plug in \"A=1\", \"B=-6\", and \"C=13\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+%28-6%29%5E2-4%281%29%2813%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%2813%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+36-52+%29%29%2F%282%281%29%29\" Multiply \"4%281%29%2813%29\" to get \"52\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+-16+%29%29%2F%282%281%29%29\" Subtract \"52\" from \"36\" to get \"-16\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+-16+%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-+4%2Ai%29%2F%282%29\" Take the square root of \"-16\" to get \"4%2Ai\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B+4%2Ai%29%2F%282%29\" or \"x+=+%286+-+4%2Ai%29%2F%282%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286%29%2F%282%29+%2B+%284%2Ai%29%2F%282%29\" or \"x+=++%286%29%2F%282%29+-+%284%2Ai%29%2F%282%29\" Break up the fraction for each case. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+3%2B2%2Ai\" or \"x+=++3-2%2Ai\" Reduce. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+3%2B2%2Ai\" or \"x+=+3-2%2Ai\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+3%2B2%2Ai\" or \"x+=+3-2%2Ai\" \r
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\n" ); document.write( "\n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r
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\n" ); document.write( "\n" ); document.write( "Also, feel free to check out my tutoring website. \r
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\n" ); document.write( "\n" ); document.write( "Jim
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