document.write( "Question 530292: x2 -2x -13 =0 I need a quadratic formula for this and how to work the problem \n" ); document.write( "
Algebra.Com's Answer #349995 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
x^2 -2x -13 = 0
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\n" ); document.write( "x = [2 +- sqrt(4 - 4*1*-13)]/2
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\n" ); document.write( "x = [2 +- sqrt(4+52)]/2
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\n" ); document.write( "x = [2 +- sqrt(56)]/2
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\n" ); document.write( "x = [2 +- 2sqrt(14)]/2
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\n" ); document.write( "x = 1 +- sqrt(14)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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