document.write( "Question 550663: what is the solution set of the equation x^2-7x =-6 \n" ); document.write( "
Algebra.Com's Answer #358969 by jim_thompson5910(35256)\"\" \"About 
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\"x%5E2-7x=-6\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-7x%2B6=0\" Add 6 to both sides.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"x%5E2-7x%2B6\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=1\", \"B=-7\", and \"C=6\"\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-%28-7%29+%2B-+sqrt%28+%28-7%29%5E2-4%281%29%286%29+%29%29%2F%282%281%29%29\" Plug in \"A=1\", \"B=-7\", and \"C=6\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%287+%2B-+sqrt%28+%28-7%29%5E2-4%281%29%286%29+%29%29%2F%282%281%29%29\" Negate \"-7\" to get \"7\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%287+%2B-+sqrt%28+49-4%281%29%286%29+%29%29%2F%282%281%29%29\" Square \"-7\" to get \"49\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%287+%2B-+sqrt%28+49-24+%29%29%2F%282%281%29%29\" Multiply \"4%281%29%286%29\" to get \"24\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%287+%2B-+sqrt%28+25+%29%29%2F%282%281%29%29\" Subtract \"24\" from \"49\" to get \"25\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%287+%2B-+sqrt%28+25+%29%29%2F%282%29\" Multiply \"2\" and \"1\" to get \"2\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%287+%2B-+5%29%2F%282%29\" Take the square root of \"25\" to get \"5\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%287+%2B+5%29%2F%282%29\" or \"x+=+%287+-+5%29%2F%282%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2812%29%2F%282%29\" or \"x+=++%282%29%2F%282%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+6\" or \"x+=+1\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+6\" or \"x+=+1\"
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