document.write( "Question 157998: what is the factor of x^2-x-1 \n" ); document.write( "
Algebra.Com's Answer #116428 by vleith(2983)\"\" \"About 
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Use the quadratic equation \"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"\r
\n" ); document.write( "\n" ); document.write( "Where a = 1, b=-1 and c = -1
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