document.write( "Question 743526: z^4-9=0 I need four answers! \n" ); document.write( "
Algebra.Com's Answer #452918 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
z^4-9=0
\n" ); document.write( "---------
\n" ); document.write( "z^4 = 9
\n" ); document.write( "z^2 = 3
\n" ); document.write( "Ans 1 z = sqrt(3)
\n" ); document.write( "Ans 2 z = -sqrt(3)
\n" ); document.write( "-------------------
\n" ); document.write( "z^2 = -3
\n" ); document.write( "Ans 3 z = i*sqrt(3)
\n" ); document.write( "Ans 4 z = -i*sqrt(3)
\n" ); document.write( "
\n" ); document.write( "
\n" );