document.write( "Question 1039445: x^4-10x^2+25=0 find all real and complex solutions \n" ); document.write( "

Algebra.Com's Answer #654183 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Use the substitution, $\"u=x%5E2\"$
\n" ); document.write( " $\"u%5E2-10u%2B25=0\"$
\n" ); document.write( " $\"%28u-5%29%5E2=0\"$
\n" ); document.write( " $\"u-5=0\"$
\n" ); document.write( " $\"u=5\"$
\n" ); document.write( " $\"x%5E2=5\"$
\n" ); document.write( " $\"x=0+%2B-+sqrt%285%29\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "

. \n" ); document.write( "

\n" );