document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=604073>Question 604073</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi I need to ask a very important question, this is what my professor said about the answer <BR>\n" );
document.write( "\"Your answer is incorrect; you can multiply a number by itself 3 times and get a negative.  Therefore, you do not get i\"\r<BR>\n" );
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document.write( "I have done this over and over again, please help me out I have explained to her why I think I need to challenge her.  Can anyone help???<BR>\n" );
document.write( "  Original question with answer below (I got answer from tutor on her and phone a program that I pay to use called www.Mathway.com)  <BR>\n" );
document.write( "Simplify -3&#8730;-1000<BR>\n" );
document.write( "Tutor response:-3&#8730;-1000 then -3i&#8730;1000 which becomes -3(10)i&#8730;10 which is -30i&#8730;10 <BR>\n" );
document.write( "Mathway.com response” <BR>\n" );
document.write( "-3&#8730;-1000 <BR>\n" );
document.write( "put all the perfect square roots out from under the radical, in this case remove 10i because it is a perfect square  <BR>\n" );
document.write( "(-3*10i*&#8730;10)<BR>\n" );
document.write( "remove the parenthesis around the expression <BR>\n" );
document.write( "-3*10i*&#8730;10<BR>\n" );
document.write( "multiple the -30i by -30i<BR>\n" );
document.write( "resulting in <BR>\n" );
document.write( "-30i&#8730;10<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #380945 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=380945\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your professor' solution is perfect.\r<BR>\n" );
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document.write( "I fail to understand why you multiply -30i by -30i\r<BR>\n" );
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document.write( "&\r<BR>\n" );
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document.write( "-30i *-30 i = -30*-30*i*i= 900i^2= 900 </SPAN>\n" );
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