document.write( "Question 677334: Find the exact solution of x^2-2x-8=0 \n" ); document.write( "

Algebra.Com's Answer #420834 by jim_thompson5910(35256) $\"\"$ $\"About$

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$\"x+=+%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x+=+%28-%28-2%29%2B-sqrt%28%28-2%29%5E2-4%281%29%28-8%29%29%29%2F%282%281%29%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x+=+%282%2B-sqrt%284-%28-32%29%29%29%2F%282%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x+=+%282%2B-sqrt%284%2B32%29%29%2F%282%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x+=+%282%2B-sqrt%2836%29%29%2F2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x+=+%282%2Bsqrt%2836%29%29%2F2\"$ or $\"x+=+%282-sqrt%2836%29%29%2F2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x+=+%282%2B6%29%2F2\"$ or $\"x+=+%282-6%29%2F2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x+=+8%2F2\"$ or $\"x+=+-4%2F2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x+=+4\"$ or $\"x+=+-2\"$ \n" ); document.write( "

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