document.write( "Question 947222: X^4=49 \n" ); document.write( "

Algebra.Com's Answer #577930 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%5E4=49\"$
\n" ); document.write( " $\"x%5E4-49=0\"$
\n" ); document.write( " $\"%28x%5E2-7%29%28x%5E2%2B7%29=0\"$
\n" ); document.write( " $\"%28x-sqrt%287%29%29%28x%2Bsqrt%287%29%29%28x-sqrt%287%29i%29%28x%2Bsqrt%287%29i%29=0\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( " $\"x=sqrt%287%29\"$
\n" ); document.write( " $\"x=-sqrt%287%29\"$
\n" ); document.write( " $\"x=sqrt%287%29i\"$
\n" ); document.write( " $\"x=-sqrt%287%29i\"$
\n" ); document.write( " \n" ); document.write( "

\n" );