document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=551225>Question 551225</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The profit P, of a video company (in thousands of dollars) is given by P(x) = -5x^2+550x-5000. X is the amount spend on advertising in thousands of dollars.\r<BR>\n" );
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document.write( "Determine the amount spent on advertising that will result in a profit of $0.  Describe the relationship and the graph of P(x)\r<BR>\n" );
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document.write( "I think you need to factor P(x)=5x^2+50x(11-x)- 50x(100-x) I really do not know how to factor that  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #359575 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=359575\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Starting with:<BR>\n" );
document.write( "P(x) = -5x^2+550x-5000<BR>\n" );
document.write( "since profit is zero, replace P(x) with a zero:<BR>\n" );
document.write( "0 = -5x^2+550x-5000<BR>\n" );
document.write( "multiply both sides by -1:<BR>\n" );
document.write( "0 = 5x^2-550x+5000<BR>\n" );
document.write( "divide both sides by 5:<BR>\n" );
document.write( "0 = x^2-110x+1000<BR>\n" );
document.write( "factoring:<BR>\n" );
document.write( "0 = (x-10)(x-100)<BR>\n" );
document.write( "x = {10,100}<BR>\n" );
document.write( "two solutions:<BR>\n" );
document.write( "$10 and $100<BR>\n" );
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