document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=421656>Question 421656</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I cannot understand how to do a problem like this. It is simplifying powers.\r<BR>\n" );
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document.write( "(-2x)(-3xy^2)^2. I am not sure what I multiply together.\r<BR>\n" );
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document.write( "I know the answer is -18x^3y^4. I am trying to review stuff I had done a while back, but cannot figure this out. Thanks in advance for any help and understanding you can offer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #294410 by </B><A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><B>sudhanshu_kmr(1152)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><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=sudhanshu_kmr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=294410\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (-2x)(-3xy^2)^2\r<BR>\n" );
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document.write( "= (-2x)(-3)^2*x^2*(y^2)^2\r<BR>\n" );
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document.write( "= (-2x)*9*x^2*y^4\r<BR>\n" );
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document.write( "= -2*9*x*x^2*y^4\r<BR>\n" );
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document.write( "= -18x^3y^4\r<BR>\n" );
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document.write( "always remember......\r<BR>\n" );
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document.write( "for (-a)^n  if n is even then:  a^n\r<BR>\n" );
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document.write( "if n is odd then:  -a^n\r<BR>\n" );
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document.write( "a^x * a^y = a^(x+y)\r<BR>\n" );
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document.write( "(a^x)^y = a^(x*y)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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