document.write( "Question 668957: Use the Quadratic Formula to solve the equation.\r
\n" ); document.write( "\n" ); document.write( "-2x2 - 5x + 5 = 0
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Algebra.Com's Answer #416008 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"-2x%5E2+-+5x+%2B+5+=+0\"\r
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\n" ); document.write( "\n" ); document.write( "\"2x%5E2+%2B+5x+-+5+=+0\"\r
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\n" ); document.write( "\n" ); document.write( "Use the quadratic formula to solve for x\r
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\n" ); document.write( "\n" ); document.write( "\"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-%285%29%2B-sqrt%28%285%29%5E2-4%282%29%28-5%29%29%29%2F%282%282%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5%2B-sqrt%2825-%28-40%29%29%29%2F%284%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5%2B-sqrt%2825%2B40%29%29%2F%284%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5%2B-sqrt%2865%29%29%2F4\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5%2Bsqrt%2865%29%29%2F4\" or \"x+=+%28-5-sqrt%2865%29%29%2F4\"\r
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\n" ); document.write( "\n" ); document.write( "So the exact solutions are \"x+=+%28-5%2Bsqrt%2865%29%29%2F4\" or \"x+=+%28-5-sqrt%2865%29%29%2F4\"\r
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