document.write( "Question 304635: Solve by completing the sqaure. Express radical answers as exact roots in simplest radical form and as approximate roots, to the nearest hundreth.
\n" ); document.write( "x^2+4x+1=0 \n" ); document.write( "

Algebra.Com's Answer #218125 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%5E2%2B4x%2B1=0\"$
\n" ); document.write( "Take 1/2 of the x coefficient, square it, add it to both sides of the equation.
\n" ); document.write( " $\"%28x%5E2%2B4x%2B4%29%2B1=4\"$
\n" ); document.write( " $\"%28x%2B2%29%5E2%2B1=4\"$
\n" ); document.write( " $\"%28x%2B2%29%5E2=3\"$
\n" ); document.write( " $\"x%2B2=0+%2B-+sqrt%283%29\"$
\n" ); document.write( " $\"x=+-2+%2B-+sqrt%283%29\"$ or approximately
\n" ); document.write( " $\"x=-0.27\"$ and
\n" ); document.write( " $\"x=-3.73\"$
\n" ); document.write( " \n" ); document.write( "

\n" );