document.write( "Question 138881: what are the roots(solutions) of xsquared-4x+1 \n" ); document.write( "

Algebra.Com's Answer #113163 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%5E2-4x%2B1\"$
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( " $\"x+=+%28-%28-4%29+%2B-+sqrt%28+%28-4%29%5E2-4%2A1%2A1+%29%29%2F%282%2A1%29+\"$
\n" ); document.write( " $\"x+=+%284%2B-+sqrt%28+16-4%29%29%2F%282%29+\"$
\n" ); document.write( " $\"x+=+%284%2B-+sqrt%28+12%29%29%2F%282%29+\"$
\n" ); document.write( " $\"x+=+%284%2B-+2%2Asqrt%283%29%29%2F%282%29+\"$
\n" ); document.write( " $\"highlight%28x+=+2%2B-+sqrt%283%29%29+\"$
\n" ); document.write( "Approximately,
\n" ); document.write( " $\"x%5B1%5D=0.27\"$
\n" ); document.write( " $\"x%5B2%5D=3.73\"$
\n" ); document.write( " $\"+graph%28+300%2C+300%2C+-5%2C+5%2C+-10%2C+10%2C+x%5E2-4x%2B1%29+\"$ \n" ); document.write( "

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