document.write( "Question 202597: x^2-6x+10=0 \n" ); document.write( "
Algebra.Com's Answer #152801 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-6x%2B10=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"x%5E2-6x%2B10\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=1\", \"B=-6\", and \"C=10\"\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%2810%29+%29%29%2F%282%281%29%29\" Plug in \"A=1\", \"B=-6\", and \"C=10\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+%28-6%29%5E2-4%281%29%2810%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%2810%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+36-40+%29%29%2F%282%281%29%29\" Multiply \"4%281%29%2810%29\" to get \"40\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+-4+%29%29%2F%282%281%29%29\" Subtract \"40\" from \"36\" to get \"-4\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+-4+%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-+2%2Ai%29%2F%282%29\" Take the square root of \"-4\" to get \"2%2Ai\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B+2%2Ai%29%2F%282%29\" or \"x+=+%286+-+2%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+%282%2Ai%29%2F%282%29\" or \"x+=++%286%29%2F%282%29+-+%282%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%2Bi\" or \"x+=++3-i\" Reduce. \r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+3%2Bi\" or \"x+=++3-i\" \r
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