document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1037093>Question 1037093</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Subtract<BR>\n" );
document.write( "(4x^2+6x-9) from (2x^2-7x+6)\r<BR>\n" );
document.write( "\n" );
document.write( "would it be:\r<BR>\n" );
document.write( "\n" );
document.write( "-2x^2-13x-15 ?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "and<BR>\n" );
document.write( "(5x^3y^7)^3\r<BR>\n" );
document.write( "\n" );
document.write( "would it be :<BR>\n" );
document.write( "50x^6+y^14 ?\r<BR>\n" );
document.write( "\n" );
document.write( "Thank you so much for your help !! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #651793 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=651793\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Subtract<BR>\n" );
document.write( "(4x^2+6x-9) from (2x^2-7x+6)<BR>\n" );
document.write( "would it be:<BR>\n" );
document.write( "-2x^2-13x-15 ?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "you are looking at (2x^2 - 7x + 6) - (4x^2 + 6x - 9)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "remove the parentheses to get 2x^2 - 7x + 6 - 4x^2 - 6x + 9\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "combine like terms to get -2x^2 - 13x + 15.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "you were close.<BR>\n" );
document.write( "looks like you messed up on the subtracting of -9 from 6.<BR>\n" );
document.write( "6 - (-9) = 6 + 9 = + 15.\r<BR>\n" );
document.write( "\n" );
document.write( "-----\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "(5x^3y^7)^3<BR>\n" );
document.write( "would it be :<BR>\n" );
document.write( "50x^6+y^14 ? \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "(5x^3y^7)^3 = (5*x^3*y^7)^3 = 5^3 * (x^3)^3 * (y^7)^3 = 125 * x^(3*3) * (y^(7*3) = 125 * x^9 * y^21.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "your solution should be 125x^9y^21.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "the basic rules for working with exponents is:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "x^a*x^b = x^(a+b)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "(x^a)^b = x^(a*b)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "(x^a*y^b)^c = (x^a)^c * (y^b)^c = x^(a*c) * y^(b*c)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "here's a lesson on working with exponents that might help.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<a  rel=nofollow HREF= \"http://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut2_exp.htm\" target = \"_blank\">http://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut2_exp.htm</a>\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );