document.write( "Question 192165: can you square a negative number?\r
\n" ); document.write( "\n" ); document.write( "im trying to solve the equation \r
\n" ); document.write( "\n" ); document.write( "x^2+25=0
\n" ); document.write( "

Algebra.Com's Answer #144198 by RAY100(1637)\"\" \"About 
You can put this solution on YOUR website!
an imaginary number (i) is = sq rt (-1)\r
\n" ); document.write( "\n" ); document.write( "x^2 +25 =0\r
\n" ); document.write( "\n" ); document.write( "x^2 = -25\r
\n" ); document.write( "\n" ); document.write( "x = +- 5 sq rt (-1) = +- 5i
\n" ); document.write( "
\n" );