document.write( "Question 569954: can you describe how to do x^2 - 9x - 22 = 0
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Algebra.Com's Answer #367478 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-9x-22=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"x%5E2-9x-22\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=1\", \"B=-9\", and \"C=-22\"\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-%28-9%29+%2B-+sqrt%28+%28-9%29%5E2-4%281%29%28-22%29+%29%29%2F%282%281%29%29\" Plug in \"A=1\", \"B=-9\", and \"C=-22\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%289+%2B-+sqrt%28+%28-9%29%5E2-4%281%29%28-22%29+%29%29%2F%282%281%29%29\" Negate \"-9\" to get \"9\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%289+%2B-+sqrt%28+81-4%281%29%28-22%29+%29%29%2F%282%281%29%29\" Square \"-9\" to get \"81\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%289+%2B-+sqrt%28+81--88+%29%29%2F%282%281%29%29\" Multiply \"4%281%29%28-22%29\" to get \"-88\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%289+%2B-+sqrt%28+81%2B88+%29%29%2F%282%281%29%29\" Rewrite \"sqrt%2881--88%29\" as \"sqrt%2881%2B88%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%289+%2B-+sqrt%28+169+%29%29%2F%282%281%29%29\" Add \"81\" to \"88\" to get \"169\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%289+%2B-+sqrt%28+169+%29%29%2F%282%29\" Multiply \"2\" and \"1\" to get \"2\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%289+%2B-+13%29%2F%282%29\" Take the square root of \"169\" to get \"13\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%289+%2B+13%29%2F%282%29\" or \"x+=+%289+-+13%29%2F%282%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2822%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+=+11\" or \"x+=+-2\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+11\" or \"x+=+-2\" \r
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