document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=929698>Question 929698</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simplify each expression. \r<BR>\n" );
document.write( "\n" );
document.write( "i22\r<BR>\n" );
document.write( "\n" );
document.write( "I have the answer = i2 = -1\r<BR>\n" );
document.write( "\n" );
document.write( "I just don't know how my professor got that answer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #564425 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=564425\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you know that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28-1%29=i ALIGN=MIDDLE  ALT=\"sqrt%28-1%29=i\"   DISABLED_style= \"max-width:90%; height:auto;\" >-complex root<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sqrt%28-1%29%29%5E2=-1 ALIGN=MIDDLE  ALT=\"%28sqrt%28-1%29%29%5E2=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=i%2Ai=i%5E2=sqrt%28-1%29%2Asqrt%28-1%29=%28sqrt%28-1%29%29%5E2=-1 ALIGN=MIDDLE  ALT=\"i%2Ai=i%5E2=sqrt%28-1%29%2Asqrt%28-1%29=%28sqrt%28-1%29%29%5E2=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "it's not clear why you have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=i22 ALIGN=MIDDLE  ALT=\"i22\"   DISABLED_style= \"max-width:90%; height:auto;\" >; you might mean this <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sqrt%28i%5E2%29%29%5E2=%28sqrt%28-1%29%29%5E2=-1 ALIGN=MIDDLE  ALT=\"%28sqrt%28i%5E2%29%29%5E2=%28sqrt%28-1%29%29%5E2=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );