document.write( "Question 515472: use the quadratic formula to solve the equation. 2x^2-7x=1 \n" ); document.write( "
Algebra.Com's Answer #344021 by Edwin McCravy(20059)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "    2x² - 7x = 1\r\n" );
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document.write( "Get it in the form ax² + bx + c = 0 by subtracting 1 from\r\n" );
document.write( "both sides:\r\n" );
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document.write( "2x² - 7x - 1 = 0\r\n" );
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document.write( "Compare to \r\n" );
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document.write( "ax² + bx + c = 0\r\n" );
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document.write( "a=2, b=-7, c=-1\r\n" );
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document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"\r\n" );
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document.write( "\"x+=+%28-%28-7%29+%2B-+sqrt%28%28-7%29%5E2-4%2A%282%29%2A%28-1%29+%29%29%2F%282%2A%282%29%29+\"\r\n" );
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document.write( "\"x+=+%287+%2B-+sqrt%2849%2B8+%29%29%2F4+\"\r\n" );
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document.write( "\"x+=+%287+%2B-+sqrt%2857+%29%29%2F4+\"\r\n" );
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document.write( "Two solutions:  \"%287+%2B+sqrt%2857+%29%29%2F4+\", \"%287+-+sqrt%2857+%29%29%2F4+\"\r\n" );
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document.write( "Edwin

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