document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=67364>Question 67364</A>: <I><SPAN STYLE=\"word-break: break-all;\"> multiply.<BR>\n" );
document.write( "7w(2w-3)(2w+3)\r<BR>\n" );
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document.write( "multiply the following.\r<BR>\n" );
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document.write( "((x)divided by(3) + (3)divided by (4)) ((3x)divided by (4) minus (3)divided by (5))\r<BR>\n" );
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document.write( "Business and finance. The price of an item is given by p=2x^2-100. Find the polynomial that represents the revenue generated from the sale of x items. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #47934 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrapro18><B>algebrapro18(249)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrapro18><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=47934\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> answers will be in red<br>\r<BR>\n" );
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document.write( "1)multiply.<BR>\n" );
document.write( "7w(2w-3)(2w+3)<br>\r<BR>\n" );
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document.write( "first i would foil (2w-3)(2w+3)<br>\r<BR>\n" );
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document.write( "f = 2w(2w)<BR>\n" );
document.write( "o = 2w(3)<BR>\n" );
document.write( "i = -3(2w)<BR>\n" );
document.write( "l = -3(3)<br>\r<BR>\n" );
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document.write( "(2w-3)(2w+3)<BR>\n" );
document.write( "= 2w(2w)+2w(3)-3(2w)-3(3) <BR>\n" );
document.write( "= 4w^2+6w-6w-9<BR>\n" );
document.write( "= 4w^2-9<br>\r<BR>\n" );
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document.write( "now just distribute<br>\r<BR>\n" );
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document.write( "7w(2w-3)(2w+3)<BR>\n" );
document.write( "=7w(4w^2-9)<BR>\n" );
document.write( "<font color = red>=28w^3-63w</font><br>\r<BR>\n" );
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document.write( "multiply the following.<BR>\n" );
document.write( "(x/3 + 3/4) (3x/4 - 3/5)<br>\r<BR>\n" );
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document.write( "first off I would simplify<BR>\n" );
document.write( "[(4x+9)/12][(15x-12)/20]<br>\r<BR>\n" );
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document.write( "now multiply<BR>\n" );
document.write( "{(4x+9)(15x-12)}/240<br>\r<BR>\n" );
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document.write( "now factor out a 3 out of the top<BR>\n" );
document.write( "3{(4x+9)(5x-4)}/240<br>\r<BR>\n" );
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document.write( "now simplify again<BR>\n" );
document.write( "{(4x+9)(5x-4)}/80<br>\r<BR>\n" );
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document.write( "now foil the top<br>\r<BR>\n" );
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document.write( "f = 4x(5x)<BR>\n" );
document.write( "o = 4x(-4)<BR>\n" );
document.write( "i = 9(5x)<BR>\n" );
document.write( "l = 9(-4)<br>\r<BR>\n" );
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document.write( "(4x+9)(5x-4)<BR>\n" );
document.write( "=4x(5x)+4x(-4)+9(5x)+9(-4)<BR>\n" );
document.write( "=20x^2-16x+45x-36<BR>\n" );
document.write( "=20x^2+20x-36<br>\r<BR>\n" );
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document.write( "now just put that back in<BR>\n" );
document.write( "{(4x+9)(5x-4)}/80<BR>\n" );
document.write( "<font color = red>=(20x^2+20x-36)/80</font><br>\r<BR>\n" );
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document.write( "Business and finance. The price of an item is given by p=2x^2-100. Find the polynomial that represents the revenue generated from the sale of x items.<br>\r<BR>\n" );
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document.write( "solve the equation p = 2x^2-100 for x.<BR>\n" );
document.write( "p+100 = 2x^2<BR>\n" );
document.write( "1/2p+50 = x^2<BR>\n" );
document.write( "<font color = red>+/-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%281%2F2p%2B50%29 ALIGN=MIDDLE  ALT=\"sqrt%281%2F2p%2B50%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = x</font> </SPAN>\n" );
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