document.write( "Question 371388: Solve using square root property\r
\n" ); document.write( "\n" ); document.write( "z^2=-4
\n" ); document.write( "

Algebra.Com's Answer #264570 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Hi,
\n" ); document.write( "solve using the square root property
\n" ); document.write( "z^2=-4
\n" ); document.write( "\"sqrt%28z%5E2%29+=+sqrt%28-4%29\"
\n" ); document.write( "z = +- 2i
\n" ); document.write( "z = 2i
\n" ); document.write( "z = -2i \n" ); document.write( "
\n" );